423253331 has 8 divisors (see below), whose sum is σ = 425814144. Its totient is φ = 420698880.

The previous prime is 423253309. The next prime is 423253349. The reversal of 423253331 is 133352324.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423253331 is a prime.

It is a super-2 number, since 2×423253331² = 358286764405191122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423253331.

It is not an unprimeable number, because it can be changed into a prime (423253361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208835 + ... + 210851.

It is an arithmetic number, because the mean of its divisors is an integer number (53226768).

Almost surely, 2^423253331 is an apocalyptic number.

423253331 is a deficient number, since it is larger than the sum of its proper divisors (2560813).

423253331 is a wasteful number, since it uses less digits than its factorization.

423253331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its digits is 6480, while the sum is 26.

The square root of 423253331 is about 20573.1215667433. The cubic root of 423253331 is about 750.8159008267.

The spelling of 423253331 in words is "four hundred twenty-three million, two hundred fifty-three thousand, three hundred thirty-one".