253432343 has 4 divisors (see below), whose sum is σ = 253586040. Its totient is φ = 253278648.

The previous prime is 253432321. The next prime is 253432367. The reversal of 253432343 is 343234352.

253432343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253432343 - 2⁸ = 253432087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253432313) 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, 74348 + ... + 77681.

It is an arithmetic number, because the mean of its divisors is an integer number (63396510).

Almost surely, 2^253432343 is an apocalyptic number.

253432343 is a deficient number, since it is larger than the sum of its proper divisors (153697).

253432343 is a wasteful number, since it uses less digits than its factorization.

253432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153696.

The product of its digits is 25920, while the sum is 29.

The square root of 253432343 is about 15919.5585051847. The cubic root of 253432343 is about 632.8304182658.

Adding to 253432343 its reverse (343234352), we get a palindrome (596666695).

The spelling of 253432343 in words is "two hundred fifty-three million, four hundred thirty-two thousand, three hundred forty-three".