23728601 has 4 divisors (see below), whose sum is σ = 25553892. Its totient is φ = 21903312.

The previous prime is 23728597. The next prime is 23728603. The reversal of 23728601 is 10682732.

It is a happy number.

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 15202201 + 8526400 = 3899^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 23728601 - 2² = 23728597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23728603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912626 + ... + 912651.

It is an arithmetic number, because the mean of its divisors is an integer number (6388473).

Almost surely, 2^23728601 is an apocalyptic number.

It is an amenable number.

23728601 is a deficient number, since it is larger than the sum of its proper divisors (1825291).

23728601 is a wasteful number, since it uses less digits than its factorization.

23728601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825290.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 23728601 is about 4871.2011865658. The cubic root of 23728601 is about 287.3584977264.

The spelling of 23728601 in words is "twenty-three million, seven hundred twenty-eight thousand, six hundred one".