23396985 has 32 divisors (see below), whose sum is σ = 42197760. Its totient is φ = 12297600.

The previous prime is 23396969. The next prime is 23397001. The reversal of 23396985 is 58969332.

It is an interprime number because it is at equal distance from previous prime (23396969) and next prime (23397001).

It is not a de Polignac number, because 23396985 - 2⁴ = 23396969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23396985.

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 31 ways as a sum of consecutive naturals, for example, 8365 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (1318680).

Almost surely, 2^23396985 is an apocalyptic number.

It is an amenable number.

23396985 is a deficient number, since it is larger than the sum of its proper divisors (18800775).

23396985 is a wasteful number, since it uses less digits than its factorization.

23396985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2520 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 23396985 is about 4837.0430016695. The cubic root of 23396985 is about 286.0135656271.

The spelling of 23396985 in words is "twenty-three million, three hundred ninety-six thousand, nine hundred eighty-five".