231411672 has 24 divisors (see below), whose sum is σ = 626740140. Its totient is φ = 77137200.

The previous prime is 231411643. The next prime is 231411673. The reversal of 231411672 is 276114132.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231411673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606954 + ... + 1607097.

Almost surely, 2^231411672 is an apocalyptic number.

It is an amenable number.

231411672 is an abundant number, since it is smaller than the sum of its proper divisors (395328468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231411672 is a wasteful number, since it uses less digits than its factorization.

231411672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214063 (or 3214056 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 231411672 is about 15212.2211395969. The cubic root of 231411672 is about 613.9435202887.

The spelling of 231411672 in words is "two hundred thirty-one million, four hundred eleven thousand, six hundred seventy-two".