423681991674 has 48 divisors (see below), whose sum is σ = 876225482496. Its totient is φ = 136494164800.

The previous prime is 423681991669. The next prime is 423681991709. The reversal of 423681991674 is 476199186324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2741239 + ... + 2891669.

It is an arithmetic number, because the mean of its divisors is an integer number (18254697552).

Almost surely, 2^423681991674 is an apocalyptic number.

423681991674 is an abundant number, since it is smaller than the sum of its proper divisors (452543490822).

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

423681991674 is a wasteful number, since it uses less digits than its factorization.

423681991674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150691 (or 150584 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 423681991674 in words is "four hundred twenty-three billion, six hundred eighty-one million, nine hundred ninety-one thousand, six hundred seventy-four".