423206404140 has 96 divisors (see below), whose sum is σ = 1289286290880. Its totient is φ = 103099908096.

The previous prime is 423206404139. The next prime is 423206404147. The reversal of 423206404140 is 41404602324.

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 = 423206404098 and 423206404107.

It is not an unprimeable number, because it can be changed into a prime (423206404147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721105 + ... + 2872424.

It is an arithmetic number, because the mean of its divisors is an integer number (13430065530).

Almost surely, 2^423206404140 is an apocalyptic number.

It is an amenable number.

423206404140 is an abundant number, since it is smaller than the sum of its proper divisors (866079886740).

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

423206404140 is a wasteful number, since it uses less digits than its factorization.

423206404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593651 (or 5593649 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 423206404140 in words is "four hundred twenty-three billion, two hundred six million, four hundred four thousand, one hundred forty".