423422323140 has 48 divisors (see below), whose sum is σ = 1185617865600. Its totient is φ = 112909251840.

The previous prime is 423422323091. The next prime is 423422323141. The reversal of 423422323140 is 41323224324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 423422323098 and 423422323107.

It is not an unprimeable number, because it can be changed into a prime (423422323141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426625 + ... + 2595255.

It is an arithmetic number, because the mean of its divisors is an integer number (24700372200).

Almost surely, 2^423422323140 is an apocalyptic number.

It is an amenable number.

423422323140 is an abundant number, since it is smaller than the sum of its proper divisors (762195542460).

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

423422323140 is a wasteful number, since it uses less digits than its factorization.

423422323140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210492 (or 210490 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 423422323140 its reverse (41323224324), we get a palindrome (464745547464).

The spelling of 423422323140 in words is "four hundred twenty-three billion, four hundred twenty-two million, three hundred twenty-three thousand, one hundred forty".