13123301231000 has 128 divisors (see below), whose sum is σ = 31002032318400. Its totient is φ = 5199184972800.

The previous prime is 13123301230999. The next prime is 13123301231023. The reversal of 13123301231000 is 13210332131.

It is a super-2 number, since 2×13123301231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305505524 + ... + 305548476.

Almost surely, 2^{13123301231000} is an apocalyptic number.

13123301231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13123301231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15501016159200).

13123301231000 is an abundant number, since it is smaller than the sum of its proper divisors (17878731087400).

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

13123301231000 is a wasteful number, since it uses less digits than its factorization.

13123301231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45886 (or 45872 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13123301231000 its reverse (13210332131), we get a palindrome (13136511563131).

The spelling of 13123301231000 in words is "thirteen trillion, one hundred twenty-three billion, three hundred one million, two hundred thirty-one thousand".