23007690 has 24 divisors (see below), whose sum is σ = 59820228. Its totient is φ = 6135360.

The previous prime is 23007679. The next prime is 23007703. The reversal of 23007690 is 9670032.

It can be written as a sum of positive squares in 2 ways, for example, as 21427641 + 1580049 = 4629^2 + 1257^2 .

It is a super-2 number, since 2×23007690² = 1058707598272200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127731 + ... + 127910.

Almost surely, 2^23007690 is an apocalyptic number.

23007690 is an abundant number, since it is smaller than the sum of its proper divisors (36812538).

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

23007690 is a wasteful number, since it uses less digits than its factorization.

23007690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255654 (or 255651 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23007690 is about 4796.6331942311. The cubic root of 23007690 is about 284.4183891449.

The spelling of 23007690 in words is "twenty-three million, seven thousand, six hundred ninety".