5631387623 has 2 divisors, whose sum is σ = 5631387624. Its totient is φ = 5631387622.

The previous prime is 5631387571. The next prime is 5631387653. The reversal of 5631387623 is 3267831365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5631387623 - 2¹⁰ = 5631386599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631387653) 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, 2815693811 + 2815693812.

It is an arithmetic number, because the mean of its divisors is an integer number (2815693812).

Almost surely, 2^5631387623 is an apocalyptic number.

5631387623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631387623 is an equidigital number, since it uses as much as digits as its factorization.

5631387623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 5631387623 is about 75042.5720707919. The cubic root of 5631387623 is about 1779.1195855416.

The spelling of 5631387623 in words is "five billion, six hundred thirty-one million, three hundred eighty-seven thousand, six hundred twenty-three".