69131323 has 4 divisors (see below), whose sum is σ = 69148368. Its totient is φ = 69114280.

The previous prime is 69131317. The next prime is 69131357. The reversal of 69131323 is 32313196.

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

It is a cyclic number.

It is not a de Polignac number, because 69131323 - 2²¹ = 67034171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69131291 and 69131300.

It is not an unprimeable number, because it can be changed into a prime (69131383) 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, 1458 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (17287092).

Almost surely, 2^69131323 is an apocalyptic number.

69131323 is a deficient number, since it is larger than the sum of its proper divisors (17045).

69131323 is a wasteful number, since it uses less digits than its factorization.

69131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044.

The product of its digits is 2916, while the sum is 28.

The square root of 69131323 is about 8314.5248210586. The cubic root of 69131323 is about 410.4166357678.

The spelling of 69131323 in words is "sixty-nine million, one hundred thirty-one thousand, three hundred twenty-three".