423133853 has 2 divisors, whose sum is σ = 423133854. Its totient is φ = 423133852.

The previous prime is 423133831. The next prime is 423133891. The reversal of 423133853 is 358331324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339922969 + 83210884 = 18437^2 + 9122^2 .

It is a cyclic number.

It is not a de Polignac number, because 423133853 - 2²⁴ = 406356637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423133153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211566926 + 211566927.

It is an arithmetic number, because the mean of its divisors is an integer number (211566927).

Almost surely, 2^423133853 is an apocalyptic number.

It is an amenable number.

423133853 is a deficient number, since it is larger than the sum of its proper divisors (1).

423133853 is an equidigital number, since it uses as much as digits as its factorization.

423133853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 423133853 is about 20570.2176216004. The cubic root of 423133853 is about 750.7452461952.

The spelling of 423133853 in words is "four hundred twenty-three million, one hundred thirty-three thousand, eight hundred fifty-three".