23047491 has 8 divisors (see below), whose sum is σ = 31047184. Its totient is φ = 15206400.

The previous prime is 23047483. The next prime is 23047499. The reversal of 23047491 is 19474032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23047483) and next prime (23047499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23047491 - 2³ = 23047483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23047499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39310 + ... + 39891.

It is an arithmetic number, because the mean of its divisors is an integer number (3880898).

Almost surely, 2^23047491 is an apocalyptic number.

23047491 is a deficient number, since it is larger than the sum of its proper divisors (7999693).

23047491 is an equidigital number, since it uses as much as digits as its factorization.

23047491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79301.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 23047491 is about 4800.7802490845. The cubic root of 23047491 is about 284.5822997766.

The spelling of 23047491 in words is "twenty-three million, forty-seven thousand, four hundred ninety-one".