123013323100 has 18 divisors (see below), whose sum is σ = 266938911344. Its totient is φ = 49205329200.

The previous prime is 123013323091. The next prime is 123013323179. The reversal of 123013323100 is 1323310321.

It is a super-2 number, since 2×123013323100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615066516 + ... + 615066715.

Almost surely, 2^123013323100 is an apocalyptic number.

123013323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123013323100 is an abundant number, since it is smaller than the sum of its proper divisors (143925588244).

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

123013323100 is a wasteful number, since it uses less digits than its factorization.

123013323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230133245 (or 1230133238 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123013323100 its reverse (1323310321), we get a palindrome (124336633421).

The spelling of 123013323100 in words is "one hundred twenty-three billion, thirteen million, three hundred twenty-three thousand, one hundred".