23012013 has 16 divisors (see below), whose sum is σ = 31808000. Its totient is φ = 14783040.

The previous prime is 23011997. The next prime is 23012047. The reversal of 23012013 is 31021032.

It is a happy number.

It is not a de Polignac number, because 23012013 - 2⁴ = 23011997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32103 + ... + 32811.

It is an arithmetic number, because the mean of its divisors is an integer number (1988000).

Almost surely, 2^23012013 is an apocalyptic number.

It is an amenable number.

23012013 is a deficient number, since it is larger than the sum of its proper divisors (8795987).

23012013 is a wasteful number, since it uses less digits than its factorization.

23012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

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

The square root of 23012013 is about 4797.0838016445. The cubic root of 23012013 is about 284.4362015038.

Adding to 23012013 its reverse (31021032), we get a palindrome (54033045).

The spelling of 23012013 in words is "twenty-three million, twelve thousand, thirteen".