356423 has 4 divisors (see below), whose sum is σ = 362328. Its totient is φ = 350520.

The previous prime is 356399. The next prime is 356441. The reversal of 356423 is 324653.

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 356423 - 2¹² = 352327 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 (356443) 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, 2861 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (90582).

2³⁵⁶⁴²³ is an apocalyptic number.

356423 is a deficient number, since it is larger than the sum of its proper divisors (5905).

356423 is an equidigital number, since it uses as much as digits as its factorization.

356423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its digits is 2160, while the sum is 23.

The square root of 356423 is about 597.0117251780. The cubic root of 356423 is about 70.9014701531.

The spelling of 356423 in words is "three hundred fifty-six thousand, four hundred twenty-three".