231401423121223 has 4 divisors (see below), whose sum is σ = 231429407338360. Its totient is φ = 231373438904088.

The previous prime is 231401423121199. The next prime is 231401423121343. The reversal of 231401423121223 is 322121324104132.

231401423121223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 231401423121223 - 2²⁵ = 231401389566791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231401423121823) 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, 13992096165 + ... + 13992112702.

It is an arithmetic number, because the mean of its divisors is an integer number (57857351834590).

Almost surely, 2^{231401423121223} is an apocalyptic number.

231401423121223 is a deficient number, since it is larger than the sum of its proper divisors (27984217137).

231401423121223 is an equidigital number, since it uses as much as digits as its factorization.

231401423121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27984217136.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 231401423121223 its reverse (322121324104132), we get a palindrome (553522747225355).

The spelling of 231401423121223 in words is "two hundred thirty-one trillion, four hundred one billion, four hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty-three".