23124691 has 4 divisors (see below), whose sum is σ = 24341800. Its totient is φ = 21907584.

The previous prime is 23124679. The next prime is 23124707. The reversal of 23124691 is 19642132.

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 23124691 - 2¹⁵ = 23091923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23124631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608526 + ... + 608563.

It is an arithmetic number, because the mean of its divisors is an integer number (6085450).

Almost surely, 2^23124691 is an apocalyptic number.

23124691 is a deficient number, since it is larger than the sum of its proper divisors (1217109).

23124691 is a wasteful number, since it uses less digits than its factorization.

23124691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217108.

The product of its digits is 2592, while the sum is 28.

The square root of 23124691 is about 4808.8138870204. The cubic root of 23124691 is about 284.8996917953.

The spelling of 23124691 in words is "twenty-three million, one hundred twenty-four thousand, six hundred ninety-one".