23356530 has 24 divisors (see below), whose sum is σ = 60727212. Its totient is φ = 6228384.

The previous prime is 23356481. The next prime is 23356549. The reversal of 23356530 is 3565332.

23356530 is a `hidden beast` number, since 2 + 3 + 3 + 5 + 653 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22382361 + 974169 = 4731^2 + 987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23356494 and 23356503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129669 + ... + 129848.

Almost surely, 2^23356530 is an apocalyptic number.

23356530 is an abundant number, since it is smaller than the sum of its proper divisors (37370682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23356530 is a wasteful number, since it uses less digits than its factorization.

23356530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259530 (or 259527 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 23356530 is about 4832.8594020518. The cubic root of 23356530 is about 285.8486248018.

The spelling of 23356530 in words is "twenty-three million, three hundred fifty-six thousand, five hundred thirty".