3123432 has 96 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 927360.

The previous prime is 3123431. The next prime is 3123481. The reversal of 3123432 is 2343213.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

3123432 is a modest number, since divided by 3432 gives 312 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3123431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43957 + ... + 44027.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

Almost surely, 2^3123432 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 3123432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440).

3123432 is an abundant number, since it is smaller than the sum of its proper divisors (6311448).

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

3123432 is a wasteful number, since it uses less digits than its factorization.

3123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 136 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 3123432 is about 1767.3233999469. The cubic root of 3123432 is about 146.1764302341.

Adding to 3123432 its reverse (2343213), we get a palindrome (5466645).

The spelling of 3123432 in words is "three million, one hundred twenty-three thousand, four hundred thirty-two".