355423431 has 8 divisors (see below), whose sum is σ = 516979584. Its totient is φ = 215408120.

The previous prime is 355423427. The next prime is 355423433. The reversal of 355423431 is 134324553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355423431 - 2² = 355423427 is a prime.

It is a super-2 number, since 2×355423431² = 252651630607623522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355423433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5385171 + ... + 5385236.

It is an arithmetic number, because the mean of its divisors is an integer number (64622448).

Almost surely, 2^355423431 is an apocalyptic number.

355423431 is a deficient number, since it is larger than the sum of its proper divisors (161556153).

355423431 is a wasteful number, since it uses less digits than its factorization.

355423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770421.

The product of its digits is 21600, while the sum is 30.

The square root of 355423431 is about 18852.6770247623. The cubic root of 355423431 is about 708.3512831930.

Adding to 355423431 its reverse (134324553), we get a palindrome (489747984).

The spelling of 355423431 in words is "three hundred fifty-five million, four hundred twenty-three thousand, four hundred thirty-one".