131723464 has 16 divisors (see below), whose sum is σ = 254949120. Its totient is φ = 63737040.

The previous prime is 131723453. The next prime is 131723467. The reversal of 131723464 is 464327131.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (131723467) 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, 265324 + ... + 265819.

It is an arithmetic number, because the mean of its divisors is an integer number (15934320).

Almost surely, 2^131723464 is an apocalyptic number.

It is an amenable number.

131723464 is a deficient number, since it is larger than the sum of its proper divisors (123225656).

131723464 is a wasteful number, since it uses less digits than its factorization.

131723464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531180 (or 531176 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 131723464 is about 11477.0842987233. The cubic root of 131723464 is about 508.8085270943.

The spelling of 131723464 in words is "one hundred thirty-one million, seven hundred twenty-three thousand, four hundred sixty-four".