231452293 has 8 divisors (see below), whose sum is σ = 240803840. Its totient is φ = 222218640.

The previous prime is 231452269. The next prime is 231452327. The reversal of 231452293 is 392254132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231452293 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231452213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25458 + ... + 33331.

It is an arithmetic number, because the mean of its divisors is an integer number (30100480).

Almost surely, 2^231452293 is an apocalyptic number.

It is an amenable number.

231452293 is a deficient number, since it is larger than the sum of its proper divisors (9351547).

231452293 is a wasteful number, since it uses less digits than its factorization.

231452293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947.

The product of its digits is 12960, while the sum is 31.

The square root of 231452293 is about 15213.5562246307. The cubic root of 231452293 is about 613.9794411802.

The spelling of 231452293 in words is "two hundred thirty-one million, four hundred fifty-two thousand, two hundred ninety-three".