432123432 has 128 divisors (see below), whose sum is σ = 1215043200. Its totient is φ = 127153152.

The previous prime is 432123389. The next prime is 432123463. The reversal of 432123432 is 234321234.

432123432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1474678 + ... + 1474970.

It is an arithmetic number, because the mean of its divisors is an integer number (9492525).

Almost surely, 2^432123432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432123432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607521600).

432123432 is an abundant number, since it is smaller than the sum of its proper divisors (782919768).

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

432123432 is a wasteful number, since it uses less digits than its factorization.

432123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 503 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 432123432 is about 20787.5787911916. The cubic root of 432123432 is about 756.0246205694.

Adding to 432123432 its reverse (234321234), we get a palindrome (666444666).

The spelling of 432123432 in words is "four hundred thirty-two million, one hundred twenty-three thousand, four hundred thirty-two".