623112403 has 2 divisors, whose sum is σ = 623112404. Its totient is φ = 623112402.

The previous prime is 623112367. The next prime is 623112437. The reversal of 623112403 is 304211326.

623112403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623112403 - 2²⁵ = 589557971 is a prime.

It is not a weakly prime, because it can be changed into another prime (623112463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311556201 + 311556202.

It is an arithmetic number, because the mean of its divisors is an integer number (311556202).

Almost surely, 2^623112403 is an apocalyptic number.

623112403 is a deficient number, since it is larger than the sum of its proper divisors (1).

623112403 is an equidigital number, since it uses as much as digits as its factorization.

623112403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 623112403 is about 24962.2195126956. The cubic root of 623112403 is about 854.1263732421.

Adding to 623112403 its reverse (304211326), we get a palindrome (927323729).

The spelling of 623112403 in words is "six hundred twenty-three million, one hundred twelve thousand, four hundred three".