23013516 has 12 divisors (see below), whose sum is σ = 53698232. Its totient is φ = 7671168.

The previous prime is 23013511. The next prime is 23013521. The reversal of 23013516 is 61531032.

It is an interprime number because it is at equal distance from previous prime (23013511) and next prime (23013521).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 23013492 and 23013501.

It is not an unprimeable number, because it can be changed into a prime (23013511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958885 + ... + 958908.

Almost surely, 2^23013516 is an apocalyptic number.

It is an amenable number.

23013516 is an abundant number, since it is smaller than the sum of its proper divisors (30684716).

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

23013516 is a wasteful number, since it uses less digits than its factorization.

23013516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917800 (or 1917798 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 23013516 is about 4797.2404567626. The cubic root of 23013516 is about 284.4423938971.

Adding to 23013516 its reverse (61531032), we get a palindrome (84544548).

The spelling of 23013516 in words is "twenty-three million, thirteen thousand, five hundred sixteen".