23669101 has 4 divisors (see below), whose sum is σ = 23683612. Its totient is φ = 23654592.

The previous prime is 23669081. The next prime is 23669141. The reversal of 23669101 is 10196632.

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 1334025 + 22335076 = 1155^2 + 4726^2 .

It is a 4-Lehmer number, since φ(23669101) divides (23669101-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 23669101 - 2⁵ = 23669069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23669101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23669141) 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, 4446 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (5920903).

Almost surely, 2^23669101 is an apocalyptic number.

23669101 is the 2601-st centered heptagonal number.

It is an amenable number.

23669101 is a deficient number, since it is larger than the sum of its proper divisors (14511).

23669101 is a wasteful number, since it uses less digits than its factorization.

23669101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 23669101 is about 4865.0900299994. The cubic root of 23669101 is about 287.1181107264.

It can be divided in two parts, 23 and 669101, that added together give a square (669124 = 818²).

The spelling of 23669101 in words is "twenty-three million, six hundred sixty-nine thousand, one hundred one".