23547945469 has 4 divisors (see below), whose sum is σ = 24787311040. Its totient is φ = 22308579900.

The previous prime is 23547945467. The next prime is 23547945493. The reversal of 23547945469 is 96454974532.

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 23547945469 - 2¹ = 23547945467 is a prime.

It is a super-2 number, since 2×23547945469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23547945467) 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, 619682757 + ... + 619682794.

It is an arithmetic number, because the mean of its divisors is an integer number (6196827760).

Almost surely, 2^23547945469 is an apocalyptic number.

It is an amenable number.

23547945469 is a deficient number, since it is larger than the sum of its proper divisors (1239365571).

23547945469 is a wasteful number, since it uses less digits than its factorization.

23547945469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239365570.

The product of its digits is 32659200, while the sum is 58.

The spelling of 23547945469 in words is "twenty-three billion, five hundred forty-seven million, nine hundred forty-five thousand, four hundred sixty-nine".