23609990 has 8 divisors (see below), whose sum is σ = 42498000. Its totient is φ = 9443992.

The previous prime is 23609977. The next prime is 23610011. The reversal of 23609990 is 9990632.

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

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, 1180490 + ... + 1180509.

It is an arithmetic number, because the mean of its divisors is an integer number (5312250).

Almost surely, 2^23609990 is an apocalyptic number.

23609990 is a deficient number, since it is larger than the sum of its proper divisors (18888010).

23609990 is a wasteful number, since it uses less digits than its factorization.

23609990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361006.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 23609990 is about 4859.0112162867. The cubic root of 23609990 is about 286.8788960823.

The spelling of 23609990 in words is "twenty-three million, six hundred nine thousand, nine hundred ninety".