23957469 has 12 divisors (see below), whose sum is σ = 34912956. Its totient is φ = 15829632.

The previous prime is 23957443. The next prime is 23957473. The reversal of 23957469 is 96475932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191844 + 23765625 = 438^2 + 4875^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23957469 is a prime.

It is a super-2 number, since 2×23957469² = 1147920641771922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23957419) 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 11 ways as a sum of consecutive naturals, for example, 10762 + ... + 12795.

It is an arithmetic number, because the mean of its divisors is an integer number (2909413).

Almost surely, 2^23957469 is an apocalyptic number.

It is an amenable number.

23957469 is a deficient number, since it is larger than the sum of its proper divisors (10955487).

23957469 is a wasteful number, since it uses less digits than its factorization.

23957469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676 (or 23673 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 23957469 is about 4894.6367587391. The cubic root of 23957469 is about 288.2794235436.

The spelling of 23957469 in words is "twenty-three million, nine hundred fifty-seven thousand, four hundred sixty-nine".