423142052 has 12 divisors (see below), whose sum is σ = 746152176. Its totient is φ = 209955720.

The previous prime is 423142043. The next prime is 423142067. The reversal of 423142052 is 250241324.

It is a happy number.

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, 403238 + ... + 404285.

It is an arithmetic number, because the mean of its divisors is an integer number (62179348).

Almost surely, 2^423142052 is an apocalyptic number.

It is an amenable number.

423142052 is a deficient number, since it is larger than the sum of its proper divisors (323010124).

423142052 is a wasteful number, since it uses less digits than its factorization.

423142052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807658 (or 807656 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 423142052 is about 20570.4169136165. The cubic root of 423142052 is about 750.7500951891.

Adding to 423142052 its reverse (250241324), we get a palindrome (673383376).

The spelling of 423142052 in words is "four hundred twenty-three million, one hundred forty-two thousand, fifty-two".