423331151 has 2 divisors, whose sum is σ = 423331152. Its totient is φ = 423331150.

The previous prime is 423331147. The next prime is 423331157. The reversal of 423331151 is 151133324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423331151 - 2² = 423331147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423331157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211665575 + 211665576.

It is an arithmetic number, because the mean of its divisors is an integer number (211665576).

Almost surely, 2^423331151 is an apocalyptic number.

423331151 is a deficient number, since it is larger than the sum of its proper divisors (1).

423331151 is an equidigital number, since it uses as much as digits as its factorization.

423331151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 423331151 is about 20575.0127824991. The cubic root of 423331151 is about 750.8619133906.

Adding to 423331151 its reverse (151133324), we get a palindrome (574464475).

The spelling of 423331151 in words is "four hundred twenty-three million, three hundred thirty-one thousand, one hundred fifty-one".