1013123043100 has 36 divisors (see below), whose sum is σ = 2512545148624. Its totient is φ = 347356471680.

The previous prime is 1013123043019. The next prime is 1013123043137. The reversal of 1013123043100 is 13403213101.

It is a super-2 number, since 2×1013123043100² (a number of 25 digits) contains 22 as substring.

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, 723658617 + ... + 723660016.

Almost surely, 2^{1013123043100} is an apocalyptic number.

1013123043100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013123043100 is an abundant number, since it is smaller than the sum of its proper divisors (1499422105524).

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

1013123043100 is a wasteful number, since it uses less digits than its factorization.

1013123043100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447318654 (or 1447318647 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1013123043100 its reverse (13403213101), we get a palindrome (1026526256201).

The spelling of 1013123043100 in words is "one trillion, thirteen billion, one hundred twenty-three million, forty-three thousand, one hundred".