23029990 has 8 divisors (see below), whose sum is σ = 41454000. Its totient is φ = 9211992.

The previous prime is 23029949. The next prime is 23029991. The reversal of 23029990 is 9992032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23029991) 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, 1151490 + ... + 1151509.

It is an arithmetic number, because the mean of its divisors is an integer number (5181750).

Almost surely, 2^23029990 is an apocalyptic number.

23029990 is a deficient number, since it is larger than the sum of its proper divisors (18424010).

23029990 is a wasteful number, since it uses less digits than its factorization.

23029990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303006.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 23029990 is about 4798.9571783878. The cubic root of 23029990 is about 284.5102494755.

The spelling of 23029990 in words is "twenty-three million, twenty-nine thousand, nine hundred ninety".