423845868492 has 72 divisors (see below), whose sum is σ = 1083669913872. Its totient is φ = 139665715200.

The previous prime is 423845868463. The next prime is 423845868493. The reversal of 423845868492 is 294868548324.

423845868492 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 4 + 586 + 8 + 49 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (423845868493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3007567 + ... + 3145337.

It is an arithmetic number, because the mean of its divisors is an integer number (15050971026).

Almost surely, 2^423845868492 is an apocalyptic number.

It is an amenable number.

423845868492 is an abundant number, since it is smaller than the sum of its proper divisors (659824045380).

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

423845868492 is a wasteful number, since it uses less digits than its factorization.

423845868492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138759 (or 138754 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 63.

The spelling of 423845868492 in words is "four hundred twenty-three billion, eight hundred forty-five million, eight hundred sixty-eight thousand, four hundred ninety-two".