100121023223 has 16 divisors (see below), whose sum is σ = 108051420960. Its totient is φ = 92223490944.

The previous prime is 100121023199. The next prime is 100121023229. The reversal of 100121023223 is 322320121001.

It is not a de Polignac number, because 100121023223 - 2¹² = 100121019127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121023229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24947165 + ... + 24951177.

It is an arithmetic number, because the mean of its divisors is an integer number (6753213810).

Almost surely, 2^100121023223 is an apocalyptic number.

100121023223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100121023223 is a deficient number, since it is larger than the sum of its proper divisors (7930397737).

100121023223 is a wasteful number, since it uses less digits than its factorization.

100121023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100121023223 its reverse (322320121001), we get a palindrome (422441144224).

The spelling of 100121023223 in words is "one hundred billion, one hundred twenty-one million, twenty-three thousand, two hundred twenty-three".