1232230040 has 32 divisors (see below), whose sum is σ = 2935608480. Its totient is φ = 463898112.

The previous prime is 1232230007. The next prime is 1232230049. The reversal of 1232230040 is 400322321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232230049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905372 + ... + 906731.

It is an arithmetic number, because the mean of its divisors is an integer number (91737765).

Almost surely, 2^1232230040 is an apocalyptic number.

1232230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232230040 is an abundant number, since it is smaller than the sum of its proper divisors (1703378440).

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

1232230040 is a wasteful number, since it uses less digits than its factorization.

1232230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812131 (or 1812127 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1232230040 is about 35103.1343329908. The cubic root of 1232230040 is about 1072.0884009486.

Adding to 1232230040 its reverse (400322321), we get a palindrome (1632552361).

The spelling of 1232230040 in words is "one billion, two hundred thirty-two million, two hundred thirty thousand, forty".