23204691 has 8 divisors (see below), whose sum is σ = 34377360. Its totient is φ = 15469776.

The previous prime is 23204689. The next prime is 23204707. The reversal of 23204691 is 19640232.

It is not a de Polignac number, because 23204691 - 2¹ = 23204689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 859433 = 23204691 / (2 + 3 + 2 + 0 + 4 + 6 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (23204651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429690 + ... + 429743.

It is an arithmetic number, because the mean of its divisors is an integer number (4297170).

Almost surely, 2^23204691 is an apocalyptic number.

23204691 is a deficient number, since it is larger than the sum of its proper divisors (11172669).

23204691 is an equidigital number, since it uses as much as digits as its factorization.

23204691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859442 (or 859436 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23204691 is about 4817.1247648364. The cubic root of 23204691 is about 285.2278510307.

The spelling of 23204691 in words is "twenty-three million, two hundred four thousand, six hundred ninety-one".