354623 has 4 divisors (see below), whose sum is σ = 361368. Its totient is φ = 347880.

The previous prime is 354619. The next prime is 354643. The reversal of 354623 is 326453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326453 = 29 ⋅11257.

It is a cyclic number.

It is not a de Polignac number, because 354623 - 2² = 354619 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 5 + 6² + 4⁴ + 2⁵ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354643) 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, 3293 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (90342).

2³⁵⁴⁶²³ is an apocalyptic number.

354623 is a deficient number, since it is larger than the sum of its proper divisors (6745).

354623 is an equidigital number, since it uses as much as digits as its factorization.

354623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

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

The square root of 354623 is about 595.5023089796. The cubic root of 354623 is about 70.7819136241.

The spelling of 354623 in words is "three hundred fifty-four thousand, six hundred twenty-three".