23540474 has 8 divisors (see below), whose sum is σ = 35660628. Its totient is φ = 11653600.

The previous prime is 23540471. The next prime is 23540483. The reversal of 23540474 is 47404532.

It can be written as a sum of positive squares in 2 ways, for example, as 15171025 + 8369449 = 3895^2 + 2893^2 .

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

It is a super-2 number, since 2×23540474² = 1108307832289352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23540471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58067 + ... + 58470.

Almost surely, 2^23540474 is an apocalyptic number.

23540474 is a deficient number, since it is larger than the sum of its proper divisors (12120154).

23540474 is a wasteful number, since it uses less digits than its factorization.

23540474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116640.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 23540474 is about 4851.8526358495. The cubic root of 23540474 is about 286.5970623030.

The spelling of 23540474 in words is "twenty-three million, five hundred forty thousand, four hundred seventy-four".