423591883897 has 16 divisors (see below), whose sum is σ = 552011144832. Its totient is φ = 315434937600.

The previous prime is 423591883877. The next prime is 423591883903. The reversal of 423591883897 is 798388195324.

It is a cyclic number.

It is not a de Polignac number, because 423591883897 - 2³¹ = 421444400249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423591883837) 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, 136905979 + ... + 136909072.

It is an arithmetic number, because the mean of its divisors is an integer number (34500696552).

Almost surely, 2^423591883897 is an apocalyptic number.

It is an amenable number.

423591883897 is a deficient number, since it is larger than the sum of its proper divisors (128419260935).

423591883897 is a wasteful number, since it uses less digits than its factorization.

423591883897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273815088.

The product of its digits is 104509440, while the sum is 67.

The spelling of 423591883897 in words is "four hundred twenty-three billion, five hundred ninety-one million, eight hundred eighty-three thousand, eight hundred ninety-seven".