23666238941 has 4 divisors (see below), whose sum is σ = 23670621312. Its totient is φ = 23661856572.

The previous prime is 23666238929. The next prime is 23666238943. The reversal of 23666238941 is 14983266632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23666238941 - 2²⁶ = 23599130077 is a prime.

It is a super-2 number, since 2×23666238941² (a number of 22 digits) contains 22 as substring.

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 23666238941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666238943) 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, 2183075 + ... + 2193888.

It is an arithmetic number, because the mean of its divisors is an integer number (5917655328).

Almost surely, 2^23666238941 is an apocalyptic number.

It is an amenable number.

23666238941 is a deficient number, since it is larger than the sum of its proper divisors (4382371).

23666238941 is an equidigital number, since it uses as much as digits as its factorization.

23666238941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382370.

The product of its digits is 2239488, while the sum is 50.

The spelling of 23666238941 in words is "twenty-three billion, six hundred sixty-six million, two hundred thirty-eight thousand, nine hundred forty-one".