423143122 has 8 divisors (see below), whose sum is σ = 638384076. Its totient is φ = 210348432.

The previous prime is 423143117. The next prime is 423143131. The reversal of 423143122 is 221341324.

It can be written as a sum of positive squares in 2 ways, for example, as 422261401 + 881721 = 20549^2 + 939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423143093 and 423143102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611133 + ... + 611824.

Almost surely, 2^423143122 is an apocalyptic number.

423143122 is a deficient number, since it is larger than the sum of its proper divisors (215240954).

423143122 is a wasteful number, since it uses less digits than its factorization.

423143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223132.

The product of its digits is 1152, while the sum is 22.

The square root of 423143122 is about 20570.4429218235. The cubic root of 423143122 is about 750.7507279963.

Adding to 423143122 its reverse (221341324), we get a palindrome (644484446).

The spelling of 423143122 in words is "four hundred twenty-three million, one hundred forty-three thousand, one hundred twenty-two".