23722985 has 16 divisors (see below), whose sum is σ = 33445440. Its totient is φ = 15925440.

The previous prime is 23722949. The next prime is 23722987. The reversal of 23722985 is 58922732.

It is not a de Polignac number, because 23722985 - 2¹⁶ = 23657449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23722987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15875 + ... + 17304.

It is an arithmetic number, because the mean of its divisors is an integer number (2090340).

Almost surely, 2^23722985 is an apocalyptic number.

It is an amenable number.

23722985 is a deficient number, since it is larger than the sum of its proper divisors (9722455).

23722985 is a wasteful number, since it uses less digits than its factorization.

23722985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33208.

The product of its digits is 60480, while the sum is 38.

The square root of 23722985 is about 4870.6247032593. The cubic root of 23722985 is about 287.3358256122.

It can be divided in two parts, 237 and 22985, that multiplied together give a palindrome (5447445).

The spelling of 23722985 in words is "twenty-three million, seven hundred twenty-two thousand, nine hundred eighty-five".