23137394 has 8 divisors (see below), whose sum is σ = 39664128. Its totient is φ = 9916020.

The previous prime is 23137363. The next prime is 23137399. The reversal of 23137394 is 49373132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23137394² = 1070678002222472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23137394.

It is not an unprimeable number, because it can be changed into a prime (23137399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826322 + ... + 826349.

It is an arithmetic number, because the mean of its divisors is an integer number (4958016).

Almost surely, 2^23137394 is an apocalyptic number.

23137394 is a deficient number, since it is larger than the sum of its proper divisors (16526734).

23137394 is a wasteful number, since it uses less digits than its factorization.

23137394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652680.

The product of its digits is 13608, while the sum is 32.

The square root of 23137394 is about 4810.1345095538. The cubic root of 23137394 is about 284.9518498732.

The spelling of 23137394 in words is "twenty-three million, one hundred thirty-seven thousand, three hundred ninety-four".