123530432045532 has 12 divisors (see below), whose sum is σ = 288237674772936. Its totient is φ = 41176810681840.

The previous prime is 123530432045513. The next prime is 123530432045551. The reversal of 123530432045532 is 235540234035321.

It is an interprime number because it is at equal distance from previous prime (123530432045513) and next prime (123530432045551).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×123530432045532³ (a number of 43 digits) contains 333 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147101335219 + ... + 5147101335242.

It is an arithmetic number, because the mean of its divisors is an integer number (24019806231078).

Almost surely, 2^{123530432045532} is an apocalyptic number.

123530432045532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123530432045532 is an abundant number, since it is smaller than the sum of its proper divisors (164707242727404).

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

123530432045532 is a wasteful number, since it uses less digits than its factorization.

123530432045532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294202670468 (or 10294202670466 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 123530432045532 in words is "one hundred twenty-three trillion, five hundred thirty billion, four hundred thirty-two million, forty-five thousand, five hundred thirty-two".