23919969 has 16 divisors (see below), whose sum is σ = 33875712. Its totient is φ = 14961408.

The previous prime is 23919967. The next prime is 23920007. The reversal of 23919969 is 96991932.

It is not a de Polignac number, because 23919969 - 2¹ = 23919967 is a prime.

It is a super-2 number, since 2×23919969² = 1144329833921922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23919967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23107 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (2117232).

Almost surely, 2^23919969 is an apocalyptic number.

It is an amenable number.

23919969 is a deficient number, since it is larger than the sum of its proper divisors (9955743).

23919969 is a wasteful number, since it uses less digits than its factorization.

23919969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 236196, while the sum is 48.

The square root of 23919969 is about 4890.8045350433. The cubic root of 23919969 is about 288.1289329145.

The spelling of 23919969 in words is "twenty-three million, nine hundred nineteen thousand, nine hundred sixty-nine".