123243351303250 has 32 divisors (see below), whose sum is σ = 234493710285744. Its totient is φ = 48489187392000.

The previous prime is 123243351303221. The next prime is 123243351303263. The reversal of 123243351303250 is 52303153342321.

It can be written as a sum of positive squares in 8 ways, for example, as 3547651357441 + 119695699945809 = 1883521^2 + 10940553^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4040750367 + ... + 4040780866.

Almost surely, 2^{123243351303250} is an apocalyptic number.

123243351303250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123243351303250 is a deficient number, since it is larger than the sum of its proper divisors (111250358982494).

123243351303250 is an equidigital number, since it uses as much as digits as its factorization.

123243351303250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081531311 (or 8081531301 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 123243351303250 in words is "one hundred twenty-three trillion, two hundred forty-three billion, three hundred fifty-one million, three hundred three thousand, two hundred fifty".