23412291 has 16 divisors (see below), whose sum is σ = 35745024. Its totient is φ = 13352544.

The previous prime is 23412289. The next prime is 23412299. The reversal of 23412291 is 19221432.

It is not a de Polignac number, because 23412291 - 2¹ = 23412289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23412299) 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 15 ways as a sum of consecutive naturals, for example, 17260 + ... + 18566.

It is an arithmetic number, because the mean of its divisors is an integer number (2234064).

Almost surely, 2^23412291 is an apocalyptic number.

23412291 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23412291 is a deficient number, since it is larger than the sum of its proper divisors (12332733).

23412291 is a wasteful number, since it uses less digits than its factorization.

23412291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170.

The product of its digits is 864, while the sum is 24.

The square root of 23412291 is about 4838.6249079671. The cubic root of 23412291 is about 286.0759208033.

The spelling of 23412291 in words is "twenty-three million, four hundred twelve thousand, two hundred ninety-one".