123552432 has 40 divisors (see below), whose sum is σ = 354642480. Its totient is φ = 41184000.

The previous prime is 123552419. The next prime is 123552437. The reversal of 123552432 is 234255321.

It is a happy number.

It is a super-2 number, since 2×123552432² = 30530406906229248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123552396 and 123552405.

It is not an unprimeable number, because it can be changed into a prime (123552437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142569 + ... + 143432.

It is an arithmetic number, because the mean of its divisors is an integer number (8866062).

Almost surely, 2^123552432 is an apocalyptic number.

123552432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123552432 is an abundant number, since it is smaller than the sum of its proper divisors (231090048).

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

123552432 is a wasteful number, since it uses less digits than its factorization.

123552432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286018 (or 286006 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 123552432 is about 11115.4141623243. The cubic root of 123552432 is about 498.0624105263.

The spelling of 123552432 in words is "one hundred twenty-three million, five hundred fifty-two thousand, four hundred thirty-two".