23720697 has 48 divisors (see below), whose sum is σ = 46021248. Its totient is φ = 11370240.

The previous prime is 23720687. The next prime is 23720707. The reversal of 23720697 is 79602732.

It is an interprime number because it is at equal distance from previous prime (23720687) and next prime (23720707).

It is not a de Polignac number, because 23720697 - 2⁶ = 23720633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23720617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7693 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (958776).

Almost surely, 2^23720697 is an apocalyptic number.

It is an amenable number.

23720697 is a deficient number, since it is larger than the sum of its proper divisors (22300551).

23720697 is a wasteful number, since it uses less digits than its factorization.

23720697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 23720697 is about 4870.3898201273. The cubic root of 23720697 is about 287.3265877990.

The spelling of 23720697 in words is "twenty-three million, seven hundred twenty thousand, six hundred ninety-seven".