423061340 has 48 divisors (see below), whose sum is σ = 987651840. Its totient is φ = 151165440.

The previous prime is 423061307. The next prime is 423061349. The reversal of 423061340 is 43160324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423061349) 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 15 ways as a sum of consecutive naturals, for example, 18185 + ... + 34304.

It is an arithmetic number, because the mean of its divisors is an integer number (20576080).

Almost surely, 2^423061340 is an apocalyptic number.

It is an amenable number.

423061340 is an abundant number, since it is smaller than the sum of its proper divisors (564590500).

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

423061340 is a wasteful number, since it uses less digits than its factorization.

423061340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52542 (or 52540 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 423061340 is about 20568.4549735754. The cubic root of 423061340 is about 750.7023583480.

The spelling of 423061340 in words is "four hundred twenty-three million, sixty-one thousand, three hundred forty".