423393151 has 2 divisors, whose sum is σ = 423393152. Its totient is φ = 423393150.

The previous prime is 423393149. The next prime is 423393161. The reversal of 423393151 is 151393324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423393151 - 2¹ = 423393149 is a prime.

Together with 423393149, it forms a pair of twin primes.

It is equal to p_22515394 and since 423393151 and 22515394 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423393161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211696575 + 211696576.

It is an arithmetic number, because the mean of its divisors is an integer number (211696576).

Almost surely, 2^423393151 is an apocalyptic number.

423393151 is a deficient number, since it is larger than the sum of its proper divisors (1).

423393151 is an equidigital number, since it uses as much as digits as its factorization.

423393151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 423393151 is about 20576.5194092684. The cubic root of 423393151 is about 750.8985680411.

The spelling of 423393151 in words is "four hundred twenty-three million, three hundred ninety-three thousand, one hundred fifty-one".