23038985 has 16 divisors (see below), whose sum is σ = 29185920. Its totient is φ = 17424000.

The previous prime is 23038979. The next prime is 23039011. The reversal of 23038985 is 58983032.

It is not a de Polignac number, because 23038985 - 2¹⁰ = 23037961 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9110 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (1824120).

Almost surely, 2^23038985 is an apocalyptic number.

It is an amenable number.

23038985 is a deficient number, since it is larger than the sum of its proper divisors (6146935).

23038985 is a wasteful number, since it uses less digits than its factorization.

23038985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 23038985 is about 4799.8942696689. The cubic root of 23038985 is about 284.5472857716.

The spelling of 23038985 in words is "twenty-three million, thirty-eight thousand, nine hundred eighty-five".