423947262 has 8 divisors (see below), whose sum is σ = 847894536. Its totient is φ = 141315752.

The previous prime is 423947239. The next prime is 423947263. The reversal of 423947262 is 262749324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

423947262 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 423947262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423947263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35328933 + ... + 35328944.

It is an arithmetic number, because the mean of its divisors is an integer number (105986817).

Almost surely, 2^423947262 is an apocalyptic number.

423947262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423947262 is a wasteful number, since it uses less digits than its factorization.

423947262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70657882.

The product of its digits is 145152, while the sum is 39.

The square root of 423947262 is about 20589.9796503056. The cubic root of 423947262 is about 751.2260019115.

The spelling of 423947262 in words is "four hundred twenty-three million, nine hundred forty-seven thousand, two hundred sixty-two".