123662623 has 6 divisors (see below), whose sum is σ = 143852496. Its totient is φ = 105996492.

The previous prime is 123662611. The next prime is 123662629. The reversal of 123662623 is 326266321.

It is a happy number.

It is not a de Polignac number, because 123662623 - 2⁹ = 123662111 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 (123662629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261815 + ... + 1261912.

It is an arithmetic number, because the mean of its divisors is an integer number (23975416).

Almost surely, 2^123662623 is an apocalyptic number.

123662623 is a deficient number, since it is larger than the sum of its proper divisors (20189873).

123662623 is an equidigital number, since it uses as much as digits as its factorization.

123662623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523741 (or 2523734 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 123662623 is about 11120.3697330619. The cubic root of 123662623 is about 498.2104332096.

The spelling of 123662623 in words is "one hundred twenty-three million, six hundred sixty-two thousand, six hundred twenty-three".