69672123831 has 4 divisors (see below), whose sum is σ = 92896165112. Its totient is φ = 46448082552.

The previous prime is 69672123823. The next prime is 69672123863. The reversal of 69672123831 is 13832127696.

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

It is not a de Polignac number, because 69672123831 - 2³ = 69672123823 is a prime.

It is a super-2 number, since 2×69672123831² (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 (69672123821) 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, 11612020636 + ... + 11612020641.

It is an arithmetic number, because the mean of its divisors is an integer number (23224041278).

Almost surely, 2^69672123831 is an apocalyptic number.

69672123831 is a deficient number, since it is larger than the sum of its proper divisors (23224041281).

69672123831 is a wasteful number, since it uses less digits than its factorization.

69672123831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23224041280.

The product of its digits is 653184, while the sum is 48.

The spelling of 69672123831 in words is "sixty-nine billion, six hundred seventy-two million, one hundred twenty-three thousand, eight hundred thirty-one".