23002403112 has 128 divisors (see below), whose sum is σ = 72858441600. Its totient is φ = 6661315584.

The previous prime is 23002403107. The next prime is 23002403117. The reversal of 23002403112 is 21130420032.

It is an interprime number because it is at equal distance from previous prime (23002403107) and next prime (23002403117).

It is a super-2 number, since 2×23002403112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23002403117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193198 + ... + 288669.

It is an arithmetic number, because the mean of its divisors is an integer number (569206575).

Almost surely, 2^23002403112 is an apocalyptic number.

It is an amenable number.

23002403112 is an abundant number, since it is smaller than the sum of its proper divisors (49856038488).

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

23002403112 is a wasteful number, since it uses less digits than its factorization.

23002403112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481912 (or 481902 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23002403112 its reverse (21130420032), we get a palindrome (44132823144).

The spelling of 23002403112 in words is "twenty-three billion, two million, four hundred three thousand, one hundred twelve".