123542483100 has 144 divisors (see below), whose sum is σ = 363230085120. Its totient is φ = 32414803200.

The previous prime is 123542483087. The next prime is 123542483111. The reversal of 123542483100 is 1384245321.

It is a super-2 number, since 2×123542483100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6935205 + ... + 6952995.

Almost surely, 2^123542483100 is an apocalyptic number.

123542483100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123542483100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181615042560).

123542483100 is an abundant number, since it is smaller than the sum of its proper divisors (239687602020).

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

123542483100 is a wasteful number, since it uses less digits than its factorization.

123542483100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18180 (or 18173 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 123542483100 in words is "one hundred twenty-three billion, five hundred forty-two million, four hundred eighty-three thousand, one hundred".