231401123323 has 4 divisors (see below), whose sum is σ = 232786758960. Its totient is φ = 230015487688.

The previous prime is 231401123309. The next prime is 231401123353. The reversal of 231401123323 is 323321104132.

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-231401123323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231401123353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692817568 + ... + 692817901.

It is an arithmetic number, because the mean of its divisors is an integer number (58196689740).

Almost surely, 2^231401123323 is an apocalyptic number.

231401123323 is a deficient number, since it is larger than the sum of its proper divisors (1385635637).

231401123323 is a wasteful number, since it uses less digits than its factorization.

231401123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385635636.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231401123323 its reverse (323321104132), we get a palindrome (554722227455).

The spelling of 231401123323 in words is "two hundred thirty-one billion, four hundred one million, one hundred twenty-three thousand, three hundred twenty-three".