100425005123 has 4 divisors (see below), whose sum is σ = 100605301920. Its totient is φ = 100244708328.

The previous prime is 100425005113. The next prime is 100425005147. The reversal of 100425005123 is 321500524001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100425005123 - 2⁶ = 100425005059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100425005113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90147563 + ... + 90148676.

It is an arithmetic number, because the mean of its divisors is an integer number (25151325480).

Almost surely, 2^100425005123 is an apocalyptic number.

100425005123 is a deficient number, since it is larger than the sum of its proper divisors (180296797).

100425005123 is an equidigital number, since it uses as much as digits as its factorization.

100425005123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180296796.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 100425005123 its reverse (321500524001), we get a palindrome (421925529124).

The spelling of 100425005123 in words is "one hundred billion, four hundred twenty-five million, five thousand, one hundred twenty-three".