431234420 has 24 divisors (see below), whose sum is σ = 907345824. Its totient is φ = 172159776.

The previous prime is 431234399. The next prime is 431234473. The reversal of 431234420 is 24432134.

431234420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154 + ... + 31073.

It is an arithmetic number, because the mean of its divisors is an integer number (37806076).

Almost surely, 2^431234420 is an apocalyptic number.

It is an amenable number.

431234420 is an abundant number, since it is smaller than the sum of its proper divisors (476111404).

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

431234420 is a wasteful number, since it uses less digits than its factorization.

431234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41759 (or 41757 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 431234420 is about 20766.1845315888. The cubic root of 431234420 is about 755.5058055318.

Adding to 431234420 its reverse (24432134), we get a palindrome (455666554).

The spelling of 431234420 in words is "four hundred thirty-one million, two hundred thirty-four thousand, four hundred twenty".