423101320 has 16 divisors (see below), whose sum is σ = 951978060. Its totient is φ = 169240512.

The previous prime is 423101297. The next prime is 423101323. The reversal of 423101320 is 23101324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 408767524 + 14333796 = 20218^2 + 3786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423101294 and 423101303.

It is not an unprimeable number, because it can be changed into a prime (423101323) 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, 5288727 + ... + 5288806.

Almost surely, 2^423101320 is an apocalyptic number.

423101320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423101320 is an abundant number, since it is smaller than the sum of its proper divisors (528876740).

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

423101320 is a wasteful number, since it uses less digits than its factorization.

423101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577544 (or 10577540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 423101320 is about 20569.4268272113. The cubic root of 423101320 is about 750.7260051434.

Adding to 423101320 its reverse (23101324), we get a palindrome (446202644).

The spelling of 423101320 in words is "four hundred twenty-three million, one hundred one thousand, three hundred twenty".