23113012 has 48 divisors (see below), whose sum is σ = 45983952. Its totient is φ = 10091520.

The previous prime is 23113009. The next prime is 23113019. The reversal of 23113012 is 21031132.

It can be written as a sum of positive squares in 8 ways, for example, as 15376 + 23097636 = 124^2 + 4806^2 .

It is a super-2 number, since 2×23113012² = 1068422647424288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 23112983 and 23113001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78738 + ... + 79030.

It is an arithmetic number, because the mean of its divisors is an integer number (957999).

Almost surely, 2^23113012 is an apocalyptic number.

It is an amenable number.

23113012 is a deficient number, since it is larger than the sum of its proper divisors (22870940).

23113012 is a wasteful number, since it uses less digits than its factorization.

23113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23113012 is about 4807.5994009485. The cubic root of 23113012 is about 284.8517213697.

Adding to 23113012 its reverse (21031132), we get a palindrome (44144144).

The spelling of 23113012 in words is "twenty-three million, one hundred thirteen thousand, twelve".