356623 has 4 divisors (see below), whose sum is σ = 360720. Its totient is φ = 352528.

The previous prime is 356621. The next prime is 356647. The reversal of 356623 is 326653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326653 = 227 ⋅1439.

It is a cyclic number.

It is not a de Polignac number, because 356623 - 2¹ = 356621 is a prime.

It is a Duffinian number.

356623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356621) 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, 1915 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (90180).

2³⁵⁶⁶²³ is an apocalyptic number.

356623 is a deficient number, since it is larger than the sum of its proper divisors (4097).

356623 is an equidigital number, since it uses as much as digits as its factorization.

356623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096.

The product of its digits is 3240, while the sum is 25.

The square root of 356623 is about 597.1792025850. The cubic root of 356623 is about 70.9147293446.

It can be divided in two parts, 356 and 623, that added together give a palindrome (979).

The spelling of 356623 in words is "three hundred fifty-six thousand, six hundred twenty-three".