23047186969 has 3 divisors (see below), whose sum is σ = 23047338783. Its totient is φ = 23047035156.

The previous prime is 23047186937. The next prime is 23047187021. The reversal of 23047186969 is 96968174032.

The square root of 23047186969 is 151813.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 23039596944 = 2755^2 + 151788^2 .

It is not a de Polignac number, because 23047186969 - 2⁵ = 23047186937 is a prime.

It is a super-2 number, since 2×23047186969² (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 (23047106969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75907 + ... + 227719.

It is an arithmetic number, because the mean of its divisors is an integer number (7682446261).

Almost surely, 2^23047186969 is an apocalyptic number.

23047186969 is the 151813-rd square number.

23047186969 is the 75907-th centered octagonal number.

It is an amenable number.

23047186969 is a deficient number, since it is larger than the sum of its proper divisors (151814).

23047186969 is an frugal number, since it uses more digits than its factorization.

23047186969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303626 (or 151813 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 23047186969 in words is "twenty-three billion, forty-seven million, one hundred eighty-six thousand, nine hundred sixty-nine".