123112034232 has 256 divisors, whose sum is σ = 347929344000. Its totient is φ = 35985984000.

The previous prime is 123112034207. The next prime is 123112034261. The reversal of 123112034232 is 232430211321.

It is a super-2 number, since 2×123112034232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 218671183 + ... + 218671745.

It is an arithmetic number, because the mean of its divisors is an integer number (1359099000).

Almost surely, 2^123112034232 is an apocalyptic number.

123112034232 is a gapful number since it is divisible by the number (12) 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 123112034232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173964672000).

123112034232 is an abundant number, since it is smaller than the sum of its proper divisors (224817309768).

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

123112034232 is a wasteful number, since it uses less digits than its factorization.

123112034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 878 counting only the distinct ones).

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

Adding to 123112034232 its reverse (232430211321), we get a palindrome (355542245553).

The spelling of 123112034232 in words is "one hundred twenty-three billion, one hundred twelve million, thirty-four thousand, two hundred thirty-two".