231202423123 has 8 divisors (see below), whose sum is σ = 264252846848. Its totient is φ = 198157375944.

The previous prime is 231202423099. The next prime is 231202423139. The reversal of 231202423123 is 321324202132.

231202423123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231202423123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231202423423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251561 + ... + 1424362.

It is an arithmetic number, because the mean of its divisors is an integer number (33031605856).

Almost surely, 2^231202423123 is an apocalyptic number.

231202423123 is a deficient number, since it is larger than the sum of its proper divisors (33050423725).

231202423123 is a wasteful number, since it uses less digits than its factorization.

231202423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688273.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 231202423123 its reverse (321324202132), we get a palindrome (552526625255).

The spelling of 231202423123 in words is "two hundred thirty-one billion, two hundred two million, four hundred twenty-three thousand, one hundred twenty-three".