4351645423 has 2 divisors, whose sum is σ = 4351645424. Its totient is φ = 4351645422.

The previous prime is 4351645421. The next prime is 4351645433. The reversal of 4351645423 is 3245461534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4351645423 - 2¹ = 4351645421 is a prime.

Together with 4351645421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4351645421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175822711 + 2175822712.

It is an arithmetic number, because the mean of its divisors is an integer number (2175822712).

Almost surely, 2^4351645423 is an apocalyptic number.

4351645423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4351645423 is an equidigital number, since it uses as much as digits as its factorization.

4351645423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 37.

The square root of 4351645423 is about 65967.0025315688. The cubic root of 4351645423 is about 1632.6176994579.

The spelling of 4351645423 in words is "four billion, three hundred fifty-one million, six hundred forty-five thousand, four hundred twenty-three".