23263691 has 4 divisors (see below), whose sum is σ = 25378584. Its totient is φ = 21148800.

The previous prime is 23263651. The next prime is 23263693. The reversal of 23263691 is 19636232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23263691 - 2⁶ = 23263627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23263693) 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, 1057430 + ... + 1057451.

It is an arithmetic number, because the mean of its divisors is an integer number (6344646).

Almost surely, 2^23263691 is an apocalyptic number.

23263691 is a deficient number, since it is larger than the sum of its proper divisors (2114893).

23263691 is a wasteful number, since it uses less digits than its factorization.

23263691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114892.

The product of its digits is 11664, while the sum is 32.

The square root of 23263691 is about 4823.2448621234. The cubic root of 23263691 is about 285.4693855365.

The spelling of 23263691 in words is "twenty-three million, two hundred sixty-three thousand, six hundred ninety-one".