423320420133 has 48 divisors (see below), whose sum is σ = 681937056000. Its totient is φ = 259414227072.

The previous prime is 423320420129. The next prime is 423320420153. The reversal of 423320420133 is 331024023324.

423320420133 is a `hidden beast` number, since 4 + 233 + 2 + 0 + 420 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 423320420133 - 2² = 423320420129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 423320420097 and 423320420106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423320420123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 896473 + ... + 1284641.

It is an arithmetic number, because the mean of its divisors is an integer number (14207022000).

Almost surely, 2^423320420133 is an apocalyptic number.

It is an amenable number.

423320420133 is a deficient number, since it is larger than the sum of its proper divisors (258616635867).

423320420133 is a wasteful number, since it uses less digits than its factorization.

423320420133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388443 (or 388424 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423320420133 its reverse (331024023324), we get a palindrome (754344443457).

The spelling of 423320420133 in words is "four hundred twenty-three billion, three hundred twenty million, four hundred twenty thousand, one hundred thirty-three".