1232223040 has 84 divisors (see below), whose sum is σ = 2976660036. Its totient is φ = 485861376.

The previous prime is 1232223037. The next prime is 1232223043. The reversal of 1232223040 is 403222321.

It is an interprime number because it is at equal distance from previous prime (1232223037) and next prime (1232223043).

It can be written as a sum of positive squares in 2 ways, for example, as 193321216 + 1038901824 = 13904^2 + 32232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232222999 and 1232223017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232223043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1996812 + ... + 1997428.

It is an arithmetic number, because the mean of its divisors is an integer number (35436429).

Almost surely, 2^1232223040 is an apocalyptic number.

1232223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488330018).

1232223040 is an abundant number, since it is smaller than the sum of its proper divisors (1744436996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232223040 is an frugal number, since it uses more digits than its factorization.

1232223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1232223040 is about 35103.0346266530. The cubic root of 1232223040 is about 1072.0863708534.

Adding to 1232223040 its reverse (403222321), we get a palindrome (1635445361).

The spelling of 1232223040 in words is "one billion, two hundred thirty-two million, two hundred twenty-three thousand, forty".