23651201 has 16 divisors (see below), whose sum is σ = 27678720. Its totient is φ = 19792080.

The previous prime is 23651191. The next prime is 23651207. The reversal of 23651201 is 10215632.

It is not a de Polignac number, because 23651201 - 2²² = 19456897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23651207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98840 + ... + 99078.

It is an arithmetic number, because the mean of its divisors is an integer number (1729920).

Almost surely, 2^23651201 is an apocalyptic number.

It is an amenable number.

23651201 is a deficient number, since it is larger than the sum of its proper divisors (4027519).

23651201 is a wasteful number, since it uses less digits than its factorization.

23651201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 23651201 is about 4863.2500449802. The cubic root of 23651201 is about 287.0457138026.

Adding to 23651201 its reverse (10215632), we get a palindrome (33866833).

The spelling of 23651201 in words is "twenty-three million, six hundred fifty-one thousand, two hundred one".