23497742 has 4 divisors (see below), whose sum is σ = 35246616. Its totient is φ = 11748870.

The previous prime is 23497739. The next prime is 23497759. The reversal of 23497742 is 24779432.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 23497696 and 23497705.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5874434 + ... + 5874437.

It is an arithmetic number, because the mean of its divisors is an integer number (8811654).

Almost surely, 2^23497742 is an apocalyptic number.

23497742 is a deficient number, since it is larger than the sum of its proper divisors (11748874).

23497742 is a wasteful number, since it uses less digits than its factorization.

23497742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748873.

The product of its digits is 84672, while the sum is 38.

The square root of 23497742 is about 4847.4469569042. The cubic root of 23497742 is about 286.4235415326.

The spelling of 23497742 in words is "twenty-three million, four hundred ninety-seven thousand, seven hundred forty-two".