423154343 has 2 divisors, whose sum is σ = 423154344. Its totient is φ = 423154342.

The previous prime is 423154231. The next prime is 423154349. The reversal of 423154343 is 343451324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423154343 - 2⁸ = 423154087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423154349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211577171 + 211577172.

It is an arithmetic number, because the mean of its divisors is an integer number (211577172).

Almost surely, 2^423154343 is an apocalyptic number.

423154343 is a deficient number, since it is larger than the sum of its proper divisors (1).

423154343 is an equidigital number, since it uses as much as digits as its factorization.

423154343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 423154343 is about 20570.7156657225. The cubic root of 423154343 is about 750.7573641272.

The spelling of 423154343 in words is "four hundred twenty-three million, one hundred fifty-four thousand, three hundred forty-three".