423201142 has 24 divisors (see below), whose sum is σ = 795248496. Its totient is φ = 167419728.

The previous prime is 423201091. The next prime is 423201167. The reversal of 423201142 is 241102324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164818 + ... + 167365.

It is an arithmetic number, because the mean of its divisors is an integer number (33135354).

Almost surely, 2^423201142 is an apocalyptic number.

423201142 is a deficient number, since it is larger than the sum of its proper divisors (372047354).

423201142 is a wasteful number, since it uses less digits than its factorization.

423201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332212 (or 332205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423201142 is about 20571.8531493884. The cubic root of 423201142 is about 750.7850399223.

Adding to 423201142 its reverse (241102324), we get a palindrome (664303466).

The spelling of 423201142 in words is "four hundred twenty-three million, two hundred one thousand, one hundred forty-two".