423313251 has 4 divisors (see below), whose sum is σ = 564417672. Its totient is φ = 282208832.

The previous prime is 423313223. The next prime is 423313271. The reversal of 423313251 is 152313324.

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

It is a cyclic number.

It is not a de Polignac number, because 423313251 - 2⁷ = 423313123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423313271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70552206 + ... + 70552211.

It is an arithmetic number, because the mean of its divisors is an integer number (141104418).

Almost surely, 2^423313251 is an apocalyptic number.

423313251 is a deficient number, since it is larger than the sum of its proper divisors (141104421).

423313251 is a wasteful number, since it uses less digits than its factorization.

423313251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141104420.

The product of its digits is 2160, while the sum is 24.

The square root of 423313251 is about 20574.5777842463. The cubic root of 423313251 is about 750.8513301725.

Adding to 423313251 its reverse (152313324), we get a palindrome (575626575).

The spelling of 423313251 in words is "four hundred twenty-three million, three hundred thirteen thousand, two hundred fifty-one".