123043140221300 has 72 divisors (see below), whose sum is σ = 287563351897752. Its totient is φ = 45427995648000.

The previous prime is 123043140221251. The next prime is 123043140221321. The reversal of 123043140221300 is 3122041340321.

It can be written as a sum of positive squares in 12 ways, for example, as 101551330343824 + 21491809877476 = 10077268^2 + 4635926^2 .

It is a super-2 number, since 2×123043140221300² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 123043140221300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14388260 + ... + 21286340.

Almost surely, 2^{123043140221300} is an apocalyptic number.

123043140221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123043140221300 is an abundant number, since it is smaller than the sum of its proper divisors (164520211676452).

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

123043140221300 is a wasteful number, since it uses less digits than its factorization.

123043140221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911829 (or 6911822 counting only the distinct ones).

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

Adding to 123043140221300 its reverse (3122041340321), we get a palindrome (126165181561621).

The spelling of 123043140221300 in words is "one hundred twenty-three trillion, forty-three billion, one hundred forty million, two hundred twenty-one thousand, three hundred".