231417243 has 40 divisors (see below), whose sum is σ = 375051600. Its totient is φ = 141626880.

The previous prime is 231417223. The next prime is 231417253. The reversal of 231417243 is 342714132.

It is a happy number.

231417243 is a `hidden beast` number, since 2 + 3 + 1 + 417 + 243 = 666.

It is not a de Polignac number, because 231417243 - 2¹⁴ = 231400859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231417223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54408 + ... + 58506.

It is an arithmetic number, because the mean of its divisors is an integer number (9376290).

Almost surely, 2^231417243 is an apocalyptic number.

231417243 is a deficient number, since it is larger than the sum of its proper divisors (143634357).

231417243 is a wasteful number, since it uses less digits than its factorization.

231417243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4160 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 231417243 is about 15212.4042478498. The cubic root of 231417243 is about 613.9484469372.

The spelling of 231417243 in words is "two hundred thirty-one million, four hundred seventeen thousand, two hundred forty-three".