120563623 has 4 divisors (see below), whose sum is σ = 121484088. Its totient is φ = 119643160.

The previous prime is 120563621. The next prime is 120563627. The reversal of 120563623 is 326365021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326365021 = 15439 ⋅21139.

It is a cyclic number.

It is not a de Polignac number, because 120563623 - 2¹ = 120563621 is a prime.

It is a super-2 number, since 2×120563623² = 29071174381772258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120563591 and 120563600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120563621) 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, 460036 + ... + 460297.

It is an arithmetic number, because the mean of its divisors is an integer number (30371022).

Almost surely, 2^120563623 is an apocalyptic number.

120563623 is a deficient number, since it is larger than the sum of its proper divisors (920465).

120563623 is an equidigital number, since it uses as much as digits as its factorization.

120563623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920464.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 120563623 is about 10980.1467658679. The cubic root of 120563623 is about 494.0134389084.

The spelling of 120563623 in words is "one hundred twenty million, five hundred sixty-three thousand, six hundred twenty-three".