23630890 has 32 divisors (see below), whose sum is σ = 44789760. Its totient is φ = 8959104.

The previous prime is 23630881. The next prime is 23630891. The reversal of 23630890 is 9803632.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23630891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28806 + ... + 29614.

It is an arithmetic number, because the mean of its divisors is an integer number (1399680).

Almost surely, 2^23630890 is an apocalyptic number.

23630890 is a deficient number, since it is larger than the sum of its proper divisors (21158870).

23630890 is a wasteful number, since it uses less digits than its factorization.

23630890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

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

The square root of 23630890 is about 4861.1613838670. The cubic root of 23630890 is about 286.9635212856.

The spelling of 23630890 in words is "twenty-three million, six hundred thirty thousand, eight hundred ninety".