23974534 has 4 divisors (see below), whose sum is σ = 35961804. Its totient is φ = 11987266.

The previous prime is 23974519. The next prime is 23974537. The reversal of 23974534 is 43547932.

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 = 23974493 and 23974502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23974537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5993632 + ... + 5993635.

It is an arithmetic number, because the mean of its divisors is an integer number (8990451).

Almost surely, 2^23974534 is an apocalyptic number.

23974534 is a deficient number, since it is larger than the sum of its proper divisors (11987270).

23974534 is a wasteful number, since it uses less digits than its factorization.

23974534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987269.

The product of its digits is 90720, while the sum is 37.

The square root of 23974534 is about 4896.3796829903. The cubic root of 23974534 is about 288.3478548231.

The spelling of 23974534 in words is "twenty-three million, nine hundred seventy-four thousand, five hundred thirty-four".