423142961922 has 162 divisors, whose sum is σ = 1011906990939. Its totient is φ = 127760989440.

The previous prime is 423142961873. The next prime is 423142961981. The reversal of 423142961922 is 229169241324.

423142961922 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 4 + 2 + 9 + 619 + 22 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 337862025081 + 85280936841 = 581259^2 + 292029^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459969.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1360588147 + ... + 1360588457.

Almost surely, 2^423142961922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423142961922

423142961922 is an abundant number, since it is smaller than the sum of its proper divisors (588764029017).

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

423142961922 is a wasteful number, since it uses less digits than its factorization.

423142961922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 362 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 423142961922 in words is "four hundred twenty-three billion, one hundred forty-two million, nine hundred sixty-one thousand, nine hundred twenty-two".