623255146387 has 2 divisors, whose sum is σ = 623255146388. Its totient is φ = 623255146386.

The previous prime is 623255146337. The next prime is 623255146427. The reversal of 623255146387 is 783641552326.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623255146387 is a prime.

It is not a weakly prime, because it can be changed into another prime (623255146307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311627573193 + 311627573194.

It is an arithmetic number, because the mean of its divisors is an integer number (311627573194).

Almost surely, 2^623255146387 is an apocalyptic number.

623255146387 is a deficient number, since it is larger than the sum of its proper divisors (1).

623255146387 is an equidigital number, since it uses as much as digits as its factorization.

623255146387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The spelling of 623255146387 in words is "six hundred twenty-three billion, two hundred fifty-five million, one hundred forty-six thousand, three hundred eighty-seven".