131833823 has 16 divisors (see below), whose sum is σ = 147350016. Its totient is φ = 116941440.

The previous prime is 131833813. The next prime is 131833847. The reversal of 131833823 is 328338131.

It is not a de Polignac number, because 131833823 - 2⁸ = 131833567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131833823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131833813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82490 + ... + 84072.

It is an arithmetic number, because the mean of its divisors is an integer number (9209376).

Almost surely, 2^131833823 is an apocalyptic number.

131833823 is a deficient number, since it is larger than the sum of its proper divisors (15516193).

131833823 is a wasteful number, since it uses less digits than its factorization.

131833823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 10368, while the sum is 32.

The square root of 131833823 is about 11481.8910898858. The cubic root of 131833823 is about 508.9505820844.

The spelling of 131833823 in words is "one hundred thirty-one million, eight hundred thirty-three thousand, eight hundred twenty-three".