23309676 has 36 divisors (see below), whose sum is σ = 63455392. Its totient is φ = 7172064.

The previous prime is 23309659. The next prime is 23309677. The reversal of 23309676 is 67690332.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23309676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23309677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24436 + ... + 25371.

Almost surely, 2^23309676 is an apocalyptic number.

23309676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23309676 is an abundant number, since it is smaller than the sum of its proper divisors (40145716).

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

23309676 is a wasteful number, since it uses less digits than its factorization.

23309676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830 (or 49825 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 23309676 is about 4828.0095277454. The cubic root of 23309676 is about 285.6573561335.

The spelling of 23309676 in words is "twenty-three million, three hundred nine thousand, six hundred seventy-six".