423968090 has 192 divisors, whose sum is σ = 1047997440. Its totient is φ = 121927680.

The previous prime is 423968087. The next prime is 423968093. The reversal of 423968090 is 90869324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423968087) and next prime (423968093).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423968093) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3751874 + ... + 3751986.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 2^423968090 is an apocalyptic number.

423968090 is an abundant number, since it is smaller than the sum of its proper divisors (624029350).

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

423968090 is a wasteful number, since it uses less digits than its factorization.

423968090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 423968090 is about 20590.4854240982. The cubic root of 423968090 is about 751.2383039754.

The spelling of 423968090 in words is "four hundred twenty-three million, nine hundred sixty-eight thousand, ninety".