23969697 has 8 divisors (see below), whose sum is σ = 33641760. Its totient is φ = 15138720.

The previous prime is 23969681. The next prime is 23969723. The reversal of 23969697 is 79696932.

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

It is not a de Polignac number, because 23969697 - 2⁴ = 23969681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23964697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210204 + ... + 210317.

It is an arithmetic number, because the mean of its divisors is an integer number (4205220).

Almost surely, 2^23969697 is an apocalyptic number.

It is an amenable number.

23969697 is a deficient number, since it is larger than the sum of its proper divisors (9672063).

23969697 is a wasteful number, since it uses less digits than its factorization.

23969697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420543.

The product of its digits is 1102248, while the sum is 51.

The square root of 23969697 is about 4895.8857217055. The cubic root of 23969697 is about 288.3284615732.

The spelling of 23969697 in words is "twenty-three million, nine hundred sixty-nine thousand, six hundred ninety-seven".