231314123420 has 24 divisors (see below), whose sum is σ = 486074539104. Its totient is φ = 92465672256.

The previous prime is 231314123353. The next prime is 231314123501. The reversal of 231314123420 is 24321413132.

It is a self number, because there is not a number n which added to its sum of digits gives 231314123420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716939 + ... + 3778658.

It is an arithmetic number, because the mean of its divisors is an integer number (20253105796).

Almost surely, 2^231314123420 is an apocalyptic number.

231314123420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231314123420 is an abundant number, since it is smaller than the sum of its proper divisors (254760415684).

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

231314123420 is a wasteful number, since it uses less digits than its factorization.

231314123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497149 (or 7497147 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231314123420 its reverse (24321413132), we get a palindrome (255635536552).

The spelling of 231314123420 in words is "two hundred thirty-one billion, three hundred fourteen million, one hundred twenty-three thousand, four hundred twenty".