23969997 has 12 divisors (see below), whose sum is σ = 34666944. Its totient is φ = 15959880.

The previous prime is 23969993. The next prime is 23969999. The reversal of 23969997 is 79996932.

It is not a de Polignac number, because 23969997 - 2² = 23969993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23969993) 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 11 ways as a sum of consecutive naturals, for example, 10588 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (2888912).

Almost surely, 2^23969997 is an apocalyptic number.

It is an amenable number.

23969997 is a deficient number, since it is larger than the sum of its proper divisors (10696947).

23969997 is a wasteful number, since it uses less digits than its factorization.

23969997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3357 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 23969997 is about 4895.9163595797. The cubic root of 23969997 is about 288.3296644556.

The spelling of 23969997 in words is "twenty-three million, nine hundred sixty-nine thousand, nine hundred ninety-seven".