123113631630 has 192 divisors, whose sum is σ = 335877663744. Its totient is φ = 28842528000.

The previous prime is 123113631629. The next prime is 123113631671. The reversal of 123113631630 is 36136311321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12885355 + ... + 12894905.

It is an arithmetic number, because the mean of its divisors is an integer number (1749362832).

Almost surely, 2^123113631630 is an apocalyptic number.

123113631630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123113631630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167938831872).

123113631630 is an abundant number, since it is smaller than the sum of its proper divisors (212764032114).

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

123113631630 is a wasteful number, since it uses less digits than its factorization.

123113631630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703 (or 9692 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

Adding to 123113631630 its reverse (36136311321), we get a palindrome (159249942951).

The spelling of 123113631630 in words is "one hundred twenty-three billion, one hundred thirteen million, six hundred thirty-one thousand, six hundred thirty".