23057615 has 16 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 15122976.

The previous prime is 23057609. The next prime is 23057633. The reversal of 23057615 is 51675032.

It is a cyclic number.

It is not a de Polignac number, because 23057615 - 2⁴ = 23057599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13517 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^23057615 is an apocalyptic number.

23057615 is a deficient number, since it is larger than the sum of its proper divisors (9940273).

23057615 is a wasteful number, since it uses less digits than its factorization.

23057615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28678.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 23057615 is about 4801.8345452546. The cubic root of 23057615 is about 284.6239628719.

The spelling of 23057615 in words is "twenty-three million, fifty-seven thousand, six hundred fifteen".