23972469 has 4 divisors (see below), whose sum is σ = 31963296. Its totient is φ = 15981644.

The previous prime is 23972453. The next prime is 23972489. The reversal of 23972469 is 96427932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23972469 - 2⁴ = 23972453 is a prime.

It is a super-2 number, since 2×23972469² = 1149358539911922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23972469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3995409 + ... + 3995414.

It is an arithmetic number, because the mean of its divisors is an integer number (7990824).

Almost surely, 2^23972469 is an apocalyptic number.

It is an amenable number.

23972469 is a deficient number, since it is larger than the sum of its proper divisors (7990827).

23972469 is an equidigital number, since it uses as much as digits as its factorization.

23972469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990826.

The product of its digits is 163296, while the sum is 42.

The square root of 23972469 is about 4896.1688083644. The cubic root of 23972469 is about 288.3395758242.

The spelling of 23972469 in words is "twenty-three million, nine hundred seventy-two thousand, four hundred sixty-nine".