23404742 has 16 divisors (see below), whose sum is σ = 35693952. Its totient is φ = 11508480.

The previous prime is 23404741. The next prime is 23404763. The reversal of 23404742 is 24740432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404741) 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, 42992 + ... + 43532.

It is an arithmetic number, because the mean of its divisors is an integer number (2230872).

Almost surely, 2^23404742 is an apocalyptic number.

23404742 is a deficient number, since it is larger than the sum of its proper divisors (12289210).

23404742 is a wasteful number, since it uses less digits than its factorization.

23404742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 23404742 is about 4837.8447680760. The cubic root of 23404742 is about 286.0451702988.

The spelling of 23404742 in words is "twenty-three million, four hundred four thousand, seven hundred forty-two".