6446306423 has 2 divisors, whose sum is σ = 6446306424. Its totient is φ = 6446306422.

The previous prime is 6446306417. The next prime is 6446306431. The reversal of 6446306423 is 3246036446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6446306423 - 2⁴ = 6446306407 is a prime.

It is a super-2 number, since 2×6446306423² = 83109732998422109858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6446306123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223153211 + 3223153212.

It is an arithmetic number, because the mean of its divisors is an integer number (3223153212).

Almost surely, 2^6446306423 is an apocalyptic number.

6446306423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6446306423 is an equidigital number, since it uses as much as digits as its factorization.

6446306423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 6446306423 is about 80288.8935220806. The cubic root of 6446306423 is about 1861.1025974040.

The spelling of 6446306423 in words is "six billion, four hundred forty-six million, three hundred six thousand, four hundred twenty-three".