3123203223100 has 54 divisors (see below), whose sum is σ = 6907638889760. Its totient is φ = 1225709833920.

The previous prime is 3123203223079. The next prime is 3123203223103. The reversal of 3123203223100 is 13223023213.

It is a super-2 number, since 2×3123203223100² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123203223103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5278380 + ... + 5840179.

Almost surely, 2^{3123203223100} is an apocalyptic number.

It is an amenable number.

3123203223100 is an abundant number, since it is smaller than the sum of its proper divisors (3784435666660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123203223100 is a wasteful number, since it uses less digits than its factorization.

3123203223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118679 (or 11118619 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 3123203223100 its reverse (13223023213), we get a palindrome (3136426246313).

The spelling of 3123203223100 in words is "three trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty-three thousand, one hundred".