23415137 has 16 divisors (see below), whose sum is σ = 25846272. Its totient is φ = 21116160.

The previous prime is 23415107. The next prime is 23415143. The reversal of 23415137 is 73151432.

It is a cyclic number.

It is not a de Polignac number, because 23415137 - 2²⁴ = 6637921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23415107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82598 + ... + 82880.

It is an arithmetic number, because the mean of its divisors is an integer number (1615392).

Almost surely, 2^23415137 is an apocalyptic number.

It is an amenable number.

23415137 is a deficient number, since it is larger than the sum of its proper divisors (2431135).

23415137 is a wasteful number, since it uses less digits than its factorization.

23415137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 2520, while the sum is 26.

The square root of 23415137 is about 4838.9189908491. The cubic root of 23415137 is about 286.0875121377.

Adding to 23415137 its reverse (73151432), we get a palindrome (96566569).

The spelling of 23415137 in words is "twenty-three million, four hundred fifteen thousand, one hundred thirty-seven".