23430516 has 24 divisors (see below), whose sum is σ = 56005824. Its totient is φ = 7619520.

The previous prime is 23430499. The next prime is 23430541. The reversal of 23430516 is 61503432.

It is a happy number.

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, 23320 + ... + 24303.

It is an arithmetic number, because the mean of its divisors is an integer number (2333576).

Almost surely, 2^23430516 is an apocalyptic number.

It is an amenable number.

23430516 is an abundant number, since it is smaller than the sum of its proper divisors (32575308).

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

23430516 is a wasteful number, since it uses less digits than its factorization.

23430516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47671 (or 47669 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23430516 is about 4840.5078245986. The cubic root of 23430516 is about 286.1501322703.

Adding to 23430516 its reverse (61503432), we get a palindrome (84933948).

The spelling of 23430516 in words is "twenty-three million, four hundred thirty thousand, five hundred sixteen".