123459201432 has 160 divisors (see below), whose sum is σ = 400767333120. Its totient is φ = 34777149120.

The previous prime is 123459201413. The next prime is 123459201443. The reversal of 123459201432 is 234102954321.

123459201432 is a `hidden beast` number, since 1 + 2 + 34 + 592 + 0 + 1 + 4 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 130383 + ... + 513729.

It is an arithmetic number, because the mean of its divisors is an integer number (2504795832).

Almost surely, 2^123459201432 is an apocalyptic number.

123459201432 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 123459201432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200383666560).

123459201432 is an abundant number, since it is smaller than the sum of its proper divisors (277308131688).

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

123459201432 is a wasteful number, since it uses less digits than its factorization.

123459201432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383443 (or 383430 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 123459201432 in words is "one hundred twenty-three billion, four hundred fifty-nine million, two hundred one thousand, four hundred thirty-two".