23509395 has 48 divisors (see below), whose sum is σ = 50162112. Its totient is φ = 9918720.

The previous prime is 23509361. The next prime is 23509397. The reversal of 23509395 is 59390532.

It is not a de Polignac number, because 23509395 - 2⁶ = 23509331 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23509397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1225 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (1045044).

Almost surely, 2^23509395 is an apocalyptic number.

23509395 is an abundant number, since it is smaller than the sum of its proper divisors (26652717).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23509395 is a wasteful number, since it uses less digits than its factorization.

23509395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 23509395 is about 4848.6487808461. The cubic root of 23509395 is about 286.4708814279.

The spelling of 23509395 in words is "twenty-three million, five hundred nine thousand, three hundred ninety-five".