23038965 has 32 divisors (see below), whose sum is σ = 41256960. Its totient is φ = 12197952.

The previous prime is 23038957. The next prime is 23038979. The reversal of 23038965 is 56983032.

It is not a de Polignac number, because 23038965 - 2³ = 23038957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20652 + ... + 21738.

It is an arithmetic number, because the mean of its divisors is an integer number (1289280).

Almost surely, 2^23038965 is an apocalyptic number.

It is an amenable number.

23038965 is a deficient number, since it is larger than the sum of its proper divisors (18217995).

23038965 is a wasteful number, since it uses less digits than its factorization.

23038965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23038965 is about 4799.8921862892. The cubic root of 23038965 is about 284.5472034336.

The spelling of 23038965 in words is "twenty-three million, thirty-eight thousand, nine hundred sixty-five".