623583385331 has 2 divisors, whose sum is σ = 623583385332. Its totient is φ = 623583385330.

The previous prime is 623583385291. The next prime is 623583385343. The reversal of 623583385331 is 133583385326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623583385331 - 2¹⁸ = 623583123187 is a prime.

It is a super-2 number, since 2×623583385331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 623583385331.

It is not a weakly prime, because it can be changed into another prime (623583385031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311791692665 + 311791692666.

It is an arithmetic number, because the mean of its divisors is an integer number (311791692666).

Almost surely, 2^623583385331 is an apocalyptic number.

623583385331 is a deficient number, since it is larger than the sum of its proper divisors (1).

623583385331 is an equidigital number, since it uses as much as digits as its factorization.

623583385331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 50.

The spelling of 623583385331 in words is "six hundred twenty-three billion, five hundred eighty-three million, three hundred eighty-five thousand, three hundred thirty-one".