423254253 has 16 divisors (see below), whose sum is σ = 616813056. Its totient is φ = 257003520.

The previous prime is 423254233. The next prime is 423254309. The reversal of 423254253 is 352452324.

It is not a de Polignac number, because 423254253 - 2⁸ = 423253997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423254253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423254213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132276 + ... + 135437.

It is an arithmetic number, because the mean of its divisors is an integer number (38550816).

Almost surely, 2^423254253 is an apocalyptic number.

It is an amenable number.

423254253 is a deficient number, since it is larger than the sum of its proper divisors (193558803).

423254253 is a wasteful number, since it uses less digits than its factorization.

423254253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267764.

The product of its digits is 28800, while the sum is 30.

The square root of 423254253 is about 20573.1439746092. The cubic root of 423254253 is about 750.8164460098.

It can be divided in two parts, 4232542 and 53, that added together give a triangular number (4232595 = T₂₉₀₉).

The spelling of 423254253 in words is "four hundred twenty-three million, two hundred fifty-four thousand, two hundred fifty-three".