23896973 has 4 divisors (see below), whose sum is σ = 24479868. Its totient is φ = 23314080.

The previous prime is 23896937. The next prime is 23896979. The reversal of 23896973 is 37969832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13118884 + 10778089 = 3622^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 23896973 - 2⁶ = 23896909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23896979) 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, 291386 + ... + 291467.

It is an arithmetic number, because the mean of its divisors is an integer number (6119967).

Almost surely, 2^23896973 is an apocalyptic number.

It is an amenable number.

23896973 is a deficient number, since it is larger than the sum of its proper divisors (582895).

23896973 is an equidigital number, since it uses as much as digits as its factorization.

23896973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582894.

The product of its digits is 489888, while the sum is 47.

The square root of 23896973 is about 4888.4530272879. The cubic root of 23896973 is about 288.0365702339.

The spelling of 23896973 in words is "twenty-three million, eight hundred ninety-six thousand, nine hundred seventy-three".