23775601 has 4 divisors (see below), whose sum is σ = 23792500. Its totient is φ = 23758704.

The previous prime is 23775569. The next prime is 23775607. The reversal of 23775601 is 10657732.

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 7974976 + 15800625 = 2824^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 23775601 - 2⁵ = 23775569 is a prime.

It is a super-2 number, since 2×23775601² = 1130558405822402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23775607) 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, 6126 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (5948125).

Almost surely, 2^23775601 is an apocalyptic number.

It is an amenable number.

23775601 is a deficient number, since it is larger than the sum of its proper divisors (16899).

23775601 is a wasteful number, since it uses less digits than its factorization.

23775601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 23775601 is about 4876.0230721357. The cubic root of 23775601 is about 287.5480993248.

The spelling of 23775601 in words is "twenty-three million, seven hundred seventy-five thousand, six hundred one".