431623230 has 64 divisors (see below), whose sum is σ = 1072631808. Its totient is φ = 111041280.

The previous prime is 431623201. The next prime is 431623243. The reversal of 431623230 is 32326134.

It is a super-2 number, since 2×431623230² = 372597225351265800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431623230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452434 + ... + 453386.

It is an arithmetic number, because the mean of its divisors is an integer number (16759872).

Almost surely, 2^431623230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431623230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536315904).

431623230 is an abundant number, since it is smaller than the sum of its proper divisors (641008578).

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

431623230 is a wasteful number, since it uses less digits than its factorization.

431623230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 431623230 is about 20775.5440361979. The cubic root of 431623230 is about 755.7327972866.

Adding to 431623230 its reverse (32326134), we get a palindrome (463949364).

The spelling of 431623230 in words is "four hundred thirty-one million, six hundred twenty-three thousand, two hundred thirty".