423142330 has 32 divisors (see below), whose sum is σ = 823737600. Its totient is φ = 155572032.

The previous prime is 423142309. The next prime is 423142337. The reversal of 423142330 is 33241324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423142337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24261 + ... + 37879.

It is an arithmetic number, because the mean of its divisors is an integer number (25741800).

Almost surely, 2^423142330 is an apocalyptic number.

423142330 is a deficient number, since it is larger than the sum of its proper divisors (400595270).

423142330 is a wasteful number, since it uses less digits than its factorization.

423142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 423142330 is about 20570.4236708921. The cubic root of 423142330 is about 750.7502596008.

Adding to 423142330 its reverse (33241324), we get a palindrome (456383654).

It can be divided in two parts, 42314 and 2330, that added together give a palindrome (44644).

The spelling of 423142330 in words is "four hundred twenty-three million, one hundred forty-two thousand, three hundred thirty".