23716690 has 8 divisors (see below), whose sum is σ = 42690060. Its totient is φ = 9486672.

The previous prime is 23716673. The next prime is 23716691. The reversal of 23716690 is 9661732.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 358801 = 4833^2 + 599^2 .

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

It is a super-2 number, since 2×23716690² = 1124962769112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23716691) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1185825 + ... + 1185844.

Almost surely, 2^23716690 is an apocalyptic number.

23716690 is a deficient number, since it is larger than the sum of its proper divisors (18973370).

23716690 is a wasteful number, since it uses less digits than its factorization.

23716690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371676.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23716690 is about 4869.9784393773. The cubic root of 23716690 is about 287.3104080824.

The spelling of 23716690 in words is "twenty-three million, seven hundred sixteen thousand, six hundred ninety".