355423830 has 64 divisors (see below), whose sum is σ = 906992640. Its totient is φ = 88939136.

The previous prime is 355423771. The next prime is 355423843. The reversal of 355423830 is 38324553.

It is a junction number, because it is equal to n+sod(n) for n = 355423791 and 355423800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31711 + ... + 41429.

It is an arithmetic number, because the mean of its divisors is an integer number (14171760).

Almost surely, 2^355423830 is an apocalyptic number.

355423830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 355423830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453496320).

355423830 is an abundant number, since it is smaller than the sum of its proper divisors (551568810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355423830 is a wasteful number, since it uses less digits than its factorization.

355423830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 355423830 is about 18852.6876068109. The cubic root of 355423830 is about 708.3515482590.

The spelling of 355423830 in words is "three hundred fifty-five million, four hundred twenty-three thousand, eight hundred thirty".