23007516 has 24 divisors (see below), whose sum is σ = 61353600. Its totient is φ = 6573552.

The previous prime is 23007493. The next prime is 23007529. The reversal of 23007516 is 61570032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136866 + ... + 137033.

It is an arithmetic number, because the mean of its divisors is an integer number (2556400).

Almost surely, 2^23007516 is an apocalyptic number.

It is an amenable number.

23007516 is an abundant number, since it is smaller than the sum of its proper divisors (38346084).

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

23007516 is a wasteful number, since it uses less digits than its factorization.

23007516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273913 (or 273911 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 23007516 is about 4796.6150564747. The cubic root of 23007516 is about 284.4176721538.

Adding to 23007516 its reverse (61570032), we get a palindrome (84577548).

The spelling of 23007516 in words is "twenty-three million, seven thousand, five hundred sixteen".