100223223123 has 16 divisors (see below), whose sum is σ = 135976383360. Its totient is φ = 65644114176.

The previous prime is 100223223073. The next prime is 100223223127. The reversal of 100223223123 is 321322322001.

It is a happy number.

It is not a de Polignac number, because 100223223123 - 2²¹ = 100221125971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100223223123.

It is not an unprimeable number, because it can be changed into a prime (100223223127) 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, 133536 + ... + 467202.

It is an arithmetic number, because the mean of its divisors is an integer number (8498523960).

Almost surely, 2^100223223123 is an apocalyptic number.

100223223123 is a deficient number, since it is larger than the sum of its proper divisors (35753160237).

100223223123 is a wasteful number, since it uses less digits than its factorization.

100223223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335426.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100223223123 its reverse (321322322001), we get a palindrome (421545545124).

The spelling of 100223223123 in words is "one hundred billion, two hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty-three".