123424313100 has 144 divisors (see below), whose sum is σ = 399074207616. Its totient is φ = 29191232000.

The previous prime is 123424313069. The next prime is 123424313143. The reversal of 123424313100 is 1313424321.

It is a happy number.

It is a super-2 number, since 2×123424313100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320814 + ... + 591413.

It is an arithmetic number, because the mean of its divisors is an integer number (2771348664).

Almost surely, 2^123424313100 is an apocalyptic number.

123424313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123424313100 is an abundant number, since it is smaller than the sum of its proper divisors (275649894516).

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

123424313100 is a wasteful number, since it uses less digits than its factorization.

123424313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912296 (or 912289 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123424313100 its reverse (1313424321), we get a palindrome (124737737421).

The spelling of 123424313100 in words is "one hundred twenty-three billion, four hundred twenty-four million, three hundred thirteen thousand, one hundred".