123243431031350 has 24 divisors (see below), whose sum is σ = 261980321964528. Its totient is φ = 42254890639200.

The previous prime is 123243431031239. The next prime is 123243431031361. The reversal of 123243431031350 is 53130134342321.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 123243431031350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176062043981 + ... + 176062044680.

It is an arithmetic number, because the mean of its divisors is an integer number (10915846748522).

Almost surely, 2^{123243431031350} is an apocalyptic number.

123243431031350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123243431031350 is an abundant number, since it is smaller than the sum of its proper divisors (138736890933178).

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

123243431031350 is a wasteful number, since it uses less digits than its factorization.

123243431031350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352124088680 (or 352124088675 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 123243431031350 its reverse (53130134342321), we get a palindrome (176373565373671).

The spelling of 123243431031350 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred thirty-one million, thirty-one thousand, three hundred fifty".