23494747 has 4 divisors (see below), whose sum is σ = 23550976. Its totient is φ = 23438520.

The previous prime is 23494733. The next prime is 23494769. The reversal of 23494747 is 74749432.

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 23494747 - 2²³ = 15106139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23494717) 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 3 ways as a sum of consecutive naturals, for example, 27483 + ... + 28324.

It is an arithmetic number, because the mean of its divisors is an integer number (5887744).

Almost surely, 2^23494747 is an apocalyptic number.

23494747 is a deficient number, since it is larger than the sum of its proper divisors (56229).

23494747 is an equidigital number, since it uses as much as digits as its factorization.

23494747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56228.

The product of its digits is 169344, while the sum is 40.

The square root of 23494747 is about 4847.1380215546. The cubic root of 23494747 is about 286.4113719242.

The spelling of 23494747 in words is "twenty-three million, four hundred ninety-four thousand, seven hundred forty-seven".