345231432 has 96 divisors (see below), whose sum is σ = 1150793280. Its totient is φ = 91048320.

The previous prime is 345231409. The next prime is 345231443. The reversal of 345231432 is 234132543.

345231432 is a `hidden beast` number, since 345 + 2 + 314 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 345231396 and 345231405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19794 + ... + 32897.

It is an arithmetic number, because the mean of its divisors is an integer number (11987430).

Almost surely, 2^345231432 is an apocalyptic number.

It is an amenable number.

345231432 is an abundant number, since it is smaller than the sum of its proper divisors (805561848).

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

345231432 is a wasteful number, since it uses less digits than its factorization.

345231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52723 (or 52716 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 345231432 is about 18580.4045165868. The cubic root of 345231432 is about 701.5147009896.

Adding to 345231432 its reverse (234132543), we get a palindrome (579363975).

The spelling of 345231432 in words is "three hundred forty-five million, two hundred thirty-one thousand, four hundred thirty-two".