23013012 has 48 divisors (see below), whose sum is σ = 58871232. Its totient is φ = 6938880.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013012 is 21031032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41038 + ... + 41594.

It is an arithmetic number, because the mean of its divisors is an integer number (1226484).

Almost surely, 2^23013012 is an apocalyptic number.

23013012 is a gapful number since it is divisible by the number (22) 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 23013012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29435616).

23013012 is an abundant number, since it is smaller than the sum of its proper divisors (35858220).

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

23013012 is a wasteful number, since it uses less digits than its factorization.

23013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23013012 is about 4797.1879262751. The cubic root of 23013012 is about 284.4403174360.

Adding to 23013012 its reverse (21031032), we get a palindrome (44044044).

The spelling of 23013012 in words is "twenty-three million, thirteen thousand, twelve".