423151087 has 2 divisors, whose sum is σ = 423151088. Its totient is φ = 423151086.

The previous prime is 423151061. The next prime is 423151103. The reversal of 423151087 is 780151324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423151087 - 2²³ = 414762479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423152087) 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, 211575543 + 211575544.

It is an arithmetic number, because the mean of its divisors is an integer number (211575544).

Almost surely, 2^423151087 is an apocalyptic number.

423151087 is a deficient number, since it is larger than the sum of its proper divisors (1).

423151087 is an equidigital number, since it uses as much as digits as its factorization.

423151087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 423151087 is about 20570.6365239387. The cubic root of 423151087 is about 750.7554385317.

The spelling of 423151087 in words is "four hundred twenty-three million, one hundred fifty-one thousand, eighty-seven".