23896501 has 4 divisors (see below), whose sum is σ = 23916492. Its totient is φ = 23876512.

The previous prime is 23896489. The next prime is 23896507. The reversal of 23896501 is 10569832.

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 17388900 + 6507601 = 4170^2 + 2551^2 .

It is a cyclic number.

It is not a de Polignac number, because 23896501 - 2⁵ = 23896469 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23896507) 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, 8080 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (5979123).

Almost surely, 2^23896501 is an apocalyptic number.

It is an amenable number.

23896501 is a deficient number, since it is larger than the sum of its proper divisors (19991).

23896501 is a wasteful number, since it uses less digits than its factorization.

23896501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19990.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 23896501 is about 4888.4047500181. The cubic root of 23896501 is about 288.0346738410.

The spelling of 23896501 in words is "twenty-three million, eight hundred ninety-six thousand, five hundred one".