423522351 has 80 divisors (see below), whose sum is σ = 766656000. Its totient is φ = 227852352.

The previous prime is 423522317. The next prime is 423522353. The reversal of 423522351 is 153225324.

It is a happy number.

423522351 is a `hidden beast` number, since 423 + 5 + 2 + 235 + 1 = 666.

It is not a de Polignac number, because 423522351 - 2¹⁷ = 423391279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423522353) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 706750 + ... + 707348.

It is an arithmetic number, because the mean of its divisors is an integer number (9583200).

Almost surely, 2^423522351 is an apocalyptic number.

423522351 is a deficient number, since it is larger than the sum of its proper divisors (343133649).

423522351 is a wasteful number, since it uses less digits than its factorization.

423522351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 681 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 423522351 is about 20579.6586706388. The cubic root of 423522351 is about 750.9749401066.

Adding to 423522351 its reverse (153225324), we get a palindrome (576747675).

The spelling of 423522351 in words is "four hundred twenty-three million, five hundred twenty-two thousand, three hundred fifty-one".