23922490 has 8 divisors (see below), whose sum is σ = 43060500. Its totient is φ = 9568992.

The previous prime is 23922487. The next prime is 23922497. The reversal of 23922490 is 9422932.

It can be written as a sum of positive squares in 2 ways, for example, as 23551609 + 370881 = 4853^2 + 609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23922497) 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 in 3 ways as a sum of consecutive naturals, for example, 1196115 + ... + 1196134.

Almost surely, 2^23922490 is an apocalyptic number.

23922490 is a deficient number, since it is larger than the sum of its proper divisors (19138010).

23922490 is a wasteful number, since it uses less digits than its factorization.

23922490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392256.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23922490 is about 4891.0622568109. The cubic root of 23922490 is about 288.1390548273.

The spelling of 23922490 in words is "twenty-three million, nine hundred twenty-two thousand, four hundred ninety".