356923 has 4 divisors (see below), whose sum is σ = 407920. Its totient is φ = 305928.

The previous prime is 356893. The next prime is 356927. The reversal of 356923 is 329653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329653 = 71 ⋅4643.

It is not a de Polignac number, because 356923 - 2¹³ = 348731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356891 and 356900.

It is not an unprimeable number, because it can be changed into a prime (356927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25488 + ... + 25501.

It is an arithmetic number, because the mean of its divisors is an integer number (101980).

2³⁵⁶⁹²³ is an apocalyptic number.

356923 is a deficient number, since it is larger than the sum of its proper divisors (50997).

356923 is an equidigital number, since it uses as much as digits as its factorization.

356923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50996.

The product of its digits is 4860, while the sum is 28.

The square root of 356923 is about 597.4303306663. The cubic root of 356923 is about 70.9346088402.

The spelling of 356923 in words is "three hundred fifty-six thousand, nine hundred twenty-three".