623493103 has 4 divisors (see below), whose sum is σ = 632274768. Its totient is φ = 614711440.

The previous prime is 623492963. The next prime is 623493107. The reversal of 623493103 is 301394326.

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 623493103 - 2⁹ = 623492591 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 (623493107) 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, 4390726 + ... + 4390867.

It is an arithmetic number, because the mean of its divisors is an integer number (158068692).

Almost surely, 2^623493103 is an apocalyptic number.

623493103 is a deficient number, since it is larger than the sum of its proper divisors (8781665).

623493103 is an equidigital number, since it uses as much as digits as its factorization.

623493103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781664.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 623493103 is about 24969.8438721591. The cubic root of 623493103 is about 854.3002849952.

The spelling of 623493103 in words is "six hundred twenty-three million, four hundred ninety-three thousand, one hundred three".