231222423102 has 64 divisors (see below), whose sum is σ = 551391971328. Its totient is φ = 63818496000.

The previous prime is 231222423053. The next prime is 231222423109. The reversal of 231222423102 is 201324222132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231222423109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3289099 + ... + 3358662.

It is an arithmetic number, because the mean of its divisors is an integer number (8615499552).

Almost surely, 2^231222423102 is an apocalyptic number.

231222423102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231222423102 is an abundant number, since it is smaller than the sum of its proper divisors (320169548226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231222423102 is a wasteful number, since it uses less digits than its factorization.

231222423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647825.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231222423102 its reverse (201324222132), we get a palindrome (432546645234).

The spelling of 231222423102 in words is "two hundred thirty-one billion, two hundred twenty-two million, four hundred twenty-three thousand, one hundred two".