623454 has 16 divisors (see below), whose sum is σ = 1342992. Its totient is φ = 191808.

The previous prime is 623437. The next prime is 623477. The reversal of 623454 is 454326.

623454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

623454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (83937).

2⁶²³⁴⁵⁴ is an apocalyptic number.

623454 is an abundant number, since it is smaller than the sum of its proper divisors (719538).

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

623454 is a wasteful number, since it uses less digits than its factorization.

623454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011.

The product of its digits is 2880, while the sum is 24.

The square root of 623454 is about 789.5910333837. The cubic root of 623454 is about 85.4282425187.

The spelling of 623454 in words is "six hundred twenty-three thousand, four hundred fifty-four".