1233323120 has 40 divisors (see below), whose sum is σ = 2895886080. Its totient is φ = 488441600.

The previous prime is 1233323083. The next prime is 1233323129. The reversal of 1233323120 is 213233321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1233323092 and 1233323101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233323129) 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, 68240 + ... + 84399.

It is an arithmetic number, because the mean of its divisors is an integer number (72397152).

Almost surely, 2^1233323120 is an apocalyptic number.

1233323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233323120 is an abundant number, since it is smaller than the sum of its proper divisors (1662562960).

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

1233323120 is a wasteful number, since it uses less digits than its factorization.

1233323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152753 (or 152747 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1233323120 is about 35118.7004315365. The cubic root of 1233323120 is about 1072.4053147302.

Adding to 1233323120 its reverse (213233321), we get a palindrome (1446556441).

It can be divided in two parts, 12333 and 23120, that added together give a palindrome (35453).

The spelling of 1233323120 in words is "one billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred twenty".