445347963623 has 2 divisors, whose sum is σ = 445347963624. Its totient is φ = 445347963622.

The previous prime is 445347963617. The next prime is 445347963661. The reversal of 445347963623 is 326369743544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445347963623 - 2¹⁰ = 445347962599 is a prime.

It is a super-2 number, since 2×445347963623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445347963223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222673981811 + 222673981812.

It is an arithmetic number, because the mean of its divisors is an integer number (222673981812).

Almost surely, 2^445347963623 is an apocalyptic number.

445347963623 is a deficient number, since it is larger than the sum of its proper divisors (1).

445347963623 is an equidigital number, since it uses as much as digits as its factorization.

445347963623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 56.

The spelling of 445347963623 in words is "four hundred forty-five billion, three hundred forty-seven million, nine hundred sixty-three thousand, six hundred twenty-three".