623827135963 has 2 divisors, whose sum is σ = 623827135964. Its totient is φ = 623827135962.

The previous prime is 623827135961. The next prime is 623827135991. The reversal of 623827135963 is 369531728326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623827135963 - 2¹ = 623827135961 is a prime.

Together with 623827135961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (623827135961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311913567981 + 311913567982.

It is an arithmetic number, because the mean of its divisors is an integer number (311913567982).

Almost surely, 2^623827135963 is an apocalyptic number.

623827135963 is a deficient number, since it is larger than the sum of its proper divisors (1).

623827135963 is an equidigital number, since it uses as much as digits as its factorization.

623827135963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 55.

The spelling of 623827135963 in words is "six hundred twenty-three billion, eight hundred twenty-seven million, one hundred thirty-five thousand, nine hundred sixty-three".