100363203123 has 16 divisors (see below), whose sum is σ = 137091798816. Its totient is φ = 65271951360.

The previous prime is 100363203091. The next prime is 100363203137. The reversal of 100363203123 is 321302363001.

It is a happy number.

It is not a de Polignac number, because 100363203123 - 2⁵ = 100363203091 is a prime.

It is a super-2 number, since 2×100363203123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100363203093 and 100363203102.

It is not an unprimeable number, because it can be changed into a prime (100363203223) 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, 2349411 + ... + 2391747.

It is an arithmetic number, because the mean of its divisors is an integer number (8568237426).

Almost surely, 2^100363203123 is an apocalyptic number.

100363203123 is a deficient number, since it is larger than the sum of its proper divisors (36728595693).

100363203123 is a wasteful number, since it uses less digits than its factorization.

100363203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61654.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 100363203123 its reverse (321302363001), we get a palindrome (421665566124).

The spelling of 100363203123 in words is "one hundred billion, three hundred sixty-three million, two hundred three thousand, one hundred twenty-three".