423064451 has 2 divisors, whose sum is σ = 423064452. Its totient is φ = 423064450.

The previous prime is 423064403. The next prime is 423064483. The reversal of 423064451 is 154460324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423064451 - 2²² = 418870147 is a prime.

It is not a weakly prime, because it can be changed into another prime (423064351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211532225 + 211532226.

It is an arithmetic number, because the mean of its divisors is an integer number (211532226).

Almost surely, 2^423064451 is an apocalyptic number.

423064451 is a deficient number, since it is larger than the sum of its proper divisors (1).

423064451 is an equidigital number, since it uses as much as digits as its factorization.

423064451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423064451 is about 20568.5305989514. The cubic root of 423064451 is about 750.7041984510.

The spelling of 423064451 in words is "four hundred twenty-three million, sixty-four thousand, four hundred fifty-one".