23321853769 has 4 divisors (see below), whose sum is σ = 23421947796. Its totient is φ = 23221759744.

The previous prime is 23321853761. The next prime is 23321853803. The reversal of 23321853769 is 96735812332.

It is a happy number.

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 10901865744 + 12419988025 = 104412^2 + 111445^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321853769 - 2³ = 23321853761 is a prime.

It is a super-2 number, since 2×23321853769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321853761) 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, 50046664 + ... + 50047129.

It is an arithmetic number, because the mean of its divisors is an integer number (5855486949).

Almost surely, 2^23321853769 is an apocalyptic number.

It is an amenable number.

23321853769 is a deficient number, since it is larger than the sum of its proper divisors (100094027).

23321853769 is a wasteful number, since it uses less digits than its factorization.

23321853769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100094026.

The product of its digits is 1632960, while the sum is 49.

The spelling of 23321853769 in words is "twenty-three billion, three hundred twenty-one million, eight hundred fifty-three thousand, seven hundred sixty-nine".