423401253 has 16 divisors (see below), whose sum is σ = 616558656. Its totient is φ = 256314240.

The previous prime is 423401243. The next prime is 423401257. The reversal of 423401253 is 352104324.

It is not a de Polignac number, because 423401253 - 2⁵ = 423401221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423401257) 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, 24075 + ... + 37767.

It is an arithmetic number, because the mean of its divisors is an integer number (38534916).

Almost surely, 2^423401253 is an apocalyptic number.

It is an amenable number.

423401253 is a deficient number, since it is larger than the sum of its proper divisors (193157403).

423401253 is a wasteful number, since it uses less digits than its factorization.

423401253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14644.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 423401253 is about 20576.7162832168. The cubic root of 423401253 is about 750.9033577118.

Adding to 423401253 its reverse (352104324), we get a palindrome (775505577).

The spelling of 423401253 in words is "four hundred twenty-three million, four hundred one thousand, two hundred fifty-three".