23137078 has 4 divisors (see below), whose sum is σ = 34705620. Its totient is φ = 11568538.

The previous prime is 23137073. The next prime is 23137091. The reversal of 23137078 is 87073132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23137073) 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 as a sum of consecutive naturals, namely, 5784268 + ... + 5784271.

It is an arithmetic number, because the mean of its divisors is an integer number (8676405).

Almost surely, 2^23137078 is an apocalyptic number.

23137078 is a deficient number, since it is larger than the sum of its proper divisors (11568542).

23137078 is a wasteful number, since it uses less digits than its factorization.

23137078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11568541.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 23137078 is about 4810.1016621273. The cubic root of 23137078 is about 284.9505526197.

The spelling of 23137078 in words is "twenty-three million, one hundred thirty-seven thousand, seventy-eight".