100404013123 has 8 divisors (see below), whose sum is σ = 109739491200. Its totient is φ = 91449575040.

The previous prime is 100404013103. The next prime is 100404013139. The reversal of 100404013123 is 321310404001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100404013123 - 2²⁵ = 100370458691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100404013123.

It is not an unprimeable number, because it can be changed into a prime (100404013103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95259448 + ... + 95260501.

It is an arithmetic number, because the mean of its divisors is an integer number (13717436400).

Almost surely, 2^100404013123 is an apocalyptic number.

100404013123 is a deficient number, since it is larger than the sum of its proper divisors (9335478077).

100404013123 is a wasteful number, since it uses less digits than its factorization.

100404013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190519997.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100404013123 its reverse (321310404001), we get a palindrome (421714417124).

The spelling of 100404013123 in words is "one hundred billion, four hundred four million, thirteen thousand, one hundred twenty-three".