23863660923409 has 4 divisors (see below), whose sum is σ = 24021698413120. Its totient is φ = 23705623433700.

The previous prime is 23863660923373. The next prime is 23863660923419. The reversal of 23863660923409 is 90432906636832.

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 23863660923409 - 2¹³ = 23863660915217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23863660923419) 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, 79018744629 + ... + 79018744930.

It is an arithmetic number, because the mean of its divisors is an integer number (6005424603280).

Almost surely, 2^{23863660923409} is an apocalyptic number.

It is an amenable number.

23863660923409 is a deficient number, since it is larger than the sum of its proper divisors (158037489711).

23863660923409 is a wasteful number, since it uses less digits than its factorization.

23863660923409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158037489710.

The product of its (nonzero) digits is 60466176, while the sum is 61.

The spelling of 23863660923409 in words is "twenty-three trillion, eight hundred sixty-three billion, six hundred sixty million, nine hundred twenty-three thousand, four hundred nine".