523670738231 has 4 divisors (see below), whose sum is σ = 529554679200. Its totient is φ = 517786797264.

The previous prime is 523670738209. The next prime is 523670738263. The reversal of 523670738231 is 132837076325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523670738231 is a prime.

It is a super-2 number, since 2×523670738231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523670738281) 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, 2941970351 + ... + 2941970528.

It is an arithmetic number, because the mean of its divisors is an integer number (132388669800).

Almost surely, 2^523670738231 is an apocalyptic number.

523670738231 is a deficient number, since it is larger than the sum of its proper divisors (5883940969).

523670738231 is an equidigital number, since it uses as much as digits as its factorization.

523670738231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883940968.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 523670738231 in words is "five hundred twenty-three billion, six hundred seventy million, seven hundred thirty-eight thousand, two hundred thirty-one".