23609313 has 40 divisors (see below), whose sum is σ = 43420608. Its totient is φ = 12449376.

The previous prime is 23609281. The next prime is 23609329. The reversal of 23609313 is 31390632.

23609313 is a `hidden beast` number, since 23 + 609 + 31 + 3 = 666.

It is not a de Polignac number, because 23609313 - 2⁵ = 23609281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23609353) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5770 + ... + 8972.

Almost surely, 2^23609313 is an apocalyptic number.

It is an amenable number.

23609313 is a deficient number, since it is larger than the sum of its proper divisors (19811295).

23609313 is a wasteful number, since it uses less digits than its factorization.

23609313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 23609313 is about 4858.9415514081. The cubic root of 23609313 is about 286.8761540387.

Adding to 23609313 its reverse (31390632), we get a palindrome (54999945).

The spelling of 23609313 in words is "twenty-three million, six hundred nine thousand, three hundred thirteen".