23550468643 has 4 divisors (see below), whose sum is σ = 25362043168. Its totient is φ = 21738894120.

The previous prime is 23550468629. The next prime is 23550468659. The reversal of 23550468643 is 34686405532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23550468643 is a prime.

It is a super-2 number, since 2×23550468643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23550468593 and 23550468602.

It is not an unprimeable number, because it can be changed into a prime (23550468673) 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, 905787243 + ... + 905787268.

It is an arithmetic number, because the mean of its divisors is an integer number (6340510792).

Almost surely, 2^23550468643 is an apocalyptic number.

23550468643 is a deficient number, since it is larger than the sum of its proper divisors (1811574525).

23550468643 is a wasteful number, since it uses less digits than its factorization.

23550468643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811574524.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 23550468643 in words is "twenty-three billion, five hundred fifty million, four hundred sixty-eight thousand, six hundred forty-three".