423352237 has 32 divisors (see below), whose sum is σ = 569825280. Its totient is φ = 304624320.

The previous prime is 423352217. The next prime is 423352247. The reversal of 423352237 is 732253324.

It is a happy number.

It is not a de Polignac number, because 423352237 - 2⁷ = 423352109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423352199 and 423352208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423352217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47238 + ... + 55480.

It is an arithmetic number, because the mean of its divisors is an integer number (17807040).

Almost surely, 2^423352237 is an apocalyptic number.

It is an amenable number.

423352237 is a deficient number, since it is larger than the sum of its proper divisors (146473043).

423352237 is a wasteful number, since it uses less digits than its factorization.

423352237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

The product of its digits is 30240, while the sum is 31.

The square root of 423352237 is about 20575.5251937830. The cubic root of 423352237 is about 750.8743799206.

The spelling of 423352237 in words is "four hundred twenty-three million, three hundred fifty-two thousand, two hundred thirty-seven".