23819990 has 8 divisors (see below), whose sum is σ = 42876000. Its totient is φ = 9527992.

The previous prime is 23819989. The next prime is 23820007. The reversal of 23819990 is 9991832.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190990 + ... + 1191009.

It is an arithmetic number, because the mean of its divisors is an integer number (5359500).

Almost surely, 2^23819990 is an apocalyptic number.

23819990 is a deficient number, since it is larger than the sum of its proper divisors (19056010).

23819990 is a wasteful number, since it uses less digits than its factorization.

23819990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382006.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 23819990 is about 4880.5727122951. The cubic root of 23819990 is about 287.7269386508.

The spelling of 23819990 in words is "twenty-three million, eight hundred nineteen thousand, nine hundred ninety".