423133342 has 4 divisors (see below), whose sum is σ = 634700016. Its totient is φ = 211566670.

The previous prime is 423133301. The next prime is 423133351. The reversal of 423133342 is 243331324.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×423133342² = 358083650224177928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105783334 + ... + 105783337.

It is an arithmetic number, because the mean of its divisors is an integer number (158675004).

Almost surely, 2^423133342 is an apocalyptic number.

423133342 is a deficient number, since it is larger than the sum of its proper divisors (211566674).

423133342 is a wasteful number, since it uses less digits than its factorization.

423133342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211566673.

The product of its digits is 5184, while the sum is 25.

The square root of 423133342 is about 20570.2052007266. The cubic root of 423133342 is about 750.7449439811.

Adding to 423133342 its reverse (243331324), we get a palindrome (666464666).

It can be divided in two parts, 4231 and 33342, that added together give a palindrome (37573).

The spelling of 423133342 in words is "four hundred twenty-three million, one hundred thirty-three thousand, three hundred forty-two".