231000322523 has 2 divisors, whose sum is σ = 231000322524. Its totient is φ = 231000322522.

The previous prime is 231000322481. The next prime is 231000322541. The reversal of 231000322523 is 325223000132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231000322523 - 2⁶ = 231000322459 is a prime.

It is a super-2 number, since 2×231000322523² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231000322543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500161261 + 115500161262.

It is an arithmetic number, because the mean of its divisors is an integer number (115500161262).

Almost surely, 2^231000322523 is an apocalyptic number.

231000322523 is a deficient number, since it is larger than the sum of its proper divisors (1).

231000322523 is an equidigital number, since it uses as much as digits as its factorization.

231000322523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 231000322523 its reverse (325223000132), we get a palindrome (556223322655).

The spelling of 231000322523 in words is "two hundred thirty-one billion, three hundred twenty-two thousand, five hundred twenty-three".