4455623 has 4 divisors (see below), whose sum is σ = 4528728. Its totient is φ = 4382520.

The previous prime is 4455611. The next prime is 4455631. The reversal of 4455623 is 3265544.

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 4455623 - 2⁶ = 4455559 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 (4455023) 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, 36461 + ... + 36582.

It is an arithmetic number, because the mean of its divisors is an integer number (1132182).

Almost surely, 2^4455623 is an apocalyptic number.

4455623 is a deficient number, since it is larger than the sum of its proper divisors (73105).

4455623 is an equidigital number, since it uses as much as digits as its factorization.

4455623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73104.

The product of its digits is 14400, while the sum is 29.

The square root of 4455623 is about 2110.8346690350. The cubic root of 4455623 is about 164.5518663265.

The spelling of 4455623 in words is "four million, four hundred fifty-five thousand, six hundred twenty-three".