623113471 has 2 divisors, whose sum is σ = 623113472. Its totient is φ = 623113470.

The previous prime is 623113399. The next prime is 623113501. The reversal of 623113471 is 174311326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623113471 - 2¹³ = 623105279 is a prime.

It is a super-3 number, since 3×623113471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623113571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311556735 + 311556736.

It is an arithmetic number, because the mean of its divisors is an integer number (311556736).

Almost surely, 2^623113471 is an apocalyptic number.

623113471 is a deficient number, since it is larger than the sum of its proper divisors (1).

623113471 is an equidigital number, since it uses as much as digits as its factorization.

623113471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 623113471 is about 24962.2409050149. The cubic root of 623113471 is about 854.1268612260.

Adding to 623113471 its reverse (174311326), we get a palindrome (797424797).

The spelling of 623113471 in words is "six hundred twenty-three million, one hundred thirteen thousand, four hundred seventy-one".