23357938 has 8 divisors (see below), whose sum is σ = 35149788. Its totient is φ = 11641344.

The previous prime is 23357933. The next prime is 23357947. The reversal of 23357938 is 83975332.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 49 = 4833^2 + 7^2 .

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

It is a super-2 number, since 2×23357938² = 1091186535223688, 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 23357938.

It is not an unprimeable number, because it can be changed into a prime (23357933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18031 + ... + 19282.

Almost surely, 2^23357938 is an apocalyptic number.

23357938 is a deficient number, since it is larger than the sum of its proper divisors (11791850).

23357938 is a wasteful number, since it uses less digits than its factorization.

23357938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37628.

The product of its digits is 136080, while the sum is 40.

The square root of 23357938 is about 4833.0050693125. The cubic root of 23357938 is about 285.8543686170.

The spelling of 23357938 in words is "twenty-three million, three hundred fifty-seven thousand, nine hundred thirty-eight".