231012453 has 8 divisors (see below), whose sum is σ = 352019008. Its totient is φ = 132007104.

The previous prime is 231012427. The next prime is 231012479. The reversal of 231012453 is 354210132.

It is an interprime number because it is at equal distance from previous prime (231012427) and next prime (231012479).

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

It is not a de Polignac number, because 231012453 - 2²¹ = 228915301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11000593 = 231012453 / (2 + 3 + 1 + 0 + 1 + 2 + 4 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012413) 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, 5500276 + ... + 5500317.

It is an arithmetic number, because the mean of its divisors is an integer number (44002376).

Almost surely, 2^231012453 is an apocalyptic number.

It is an amenable number.

231012453 is a deficient number, since it is larger than the sum of its proper divisors (121006555).

231012453 is a wasteful number, since it uses less digits than its factorization.

231012453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000603.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 231012453 is about 15199.0938216724. The cubic root of 231012453 is about 613.5902696012.

Adding to 231012453 its reverse (354210132), we get a palindrome (585222585).

The spelling of 231012453 in words is "two hundred thirty-one million, twelve thousand, four hundred fifty-three".