23901938 has 4 divisors (see below), whose sum is σ = 35852910. Its totient is φ = 11950968.

The previous prime is 23901923. The next prime is 23901947. The reversal of 23901938 is 83910932.

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

It can be written as a sum of positive squares in only one way, i.e., 13935289 + 9966649 = 3733^2 + 3157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23901898 and 23901907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5975483 + ... + 5975486.

Almost surely, 2^23901938 is an apocalyptic number.

23901938 is a deficient number, since it is larger than the sum of its proper divisors (11950972).

23901938 is a wasteful number, since it uses less digits than its factorization.

23901938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950971.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 23901938 is about 4888.9608302788. The cubic root of 23901938 is about 288.0565170077.

The spelling of 23901938 in words is "twenty-three million, nine hundred one thousand, nine hundred thirty-eight".