423657151 has 4 divisors (see below), whose sum is σ = 423734272. Its totient is φ = 423580032.

The previous prime is 423657133. The next prime is 423657181. The reversal of 423657151 is 151756324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423657151 - 2⁷ = 423657023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423657181) 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 in 3 ways as a sum of consecutive naturals, for example, 29631 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (105933568).

Almost surely, 2^423657151 is an apocalyptic number.

423657151 is a deficient number, since it is larger than the sum of its proper divisors (77121).

423657151 is an equidigital number, since it uses as much as digits as its factorization.

423657151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77120.

The product of its digits is 25200, while the sum is 34.

The square root of 423657151 is about 20582.9334886940. The cubic root of 423657151 is about 751.0546058617.

The spelling of 423657151 in words is "four hundred twenty-three million, six hundred fifty-seven thousand, one hundred fifty-one".