23992394 has 4 divisors (see below), whose sum is σ = 35988594. Its totient is φ = 11996196.

The previous prime is 23992387. The next prime is 23992403. The reversal of 23992394 is 49329932.

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

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 2601769 = 4625^2 + 1613^2 .

It is a Curzon 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, 5998097 + ... + 5998100.

Almost surely, 2^23992394 is an apocalyptic number.

23992394 is a deficient number, since it is larger than the sum of its proper divisors (11996200).

23992394 is a wasteful number, since it uses less digits than its factorization.

23992394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996199.

The product of its digits is 104976, while the sum is 41.

The square root of 23992394 is about 4898.2031399279. The cubic root of 23992394 is about 288.4194393135.

The spelling of 23992394 in words is "twenty-three million, nine hundred ninety-two thousand, three hundred ninety-four".