623369113 has 2 divisors, whose sum is σ = 623369114. Its totient is φ = 623369112.

The previous prime is 623369101. The next prime is 623369167. The reversal of 623369113 is 311963326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559417104 + 63952009 = 23652^2 + 7997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623369113 is a prime.

It is not a weakly prime, because it can be changed into another prime (623469113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311684556 + 311684557.

It is an arithmetic number, because the mean of its divisors is an integer number (311684557).

Almost surely, 2^623369113 is an apocalyptic number.

It is an amenable number.

623369113 is a deficient number, since it is larger than the sum of its proper divisors (1).

623369113 is an equidigital number, since it uses as much as digits as its factorization.

623369113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 623369113 is about 24967.3609538533. The cubic root of 623369113 is about 854.2436515354.

The spelling of 623369113 in words is "six hundred twenty-three million, three hundred sixty-nine thousand, one hundred thirteen".