423251301452191 has 4 divisors (see below), whose sum is σ = 423252913689232. Its totient is φ = 423249689215152.

The previous prime is 423251301452131. The next prime is 423251301452207. The reversal of 423251301452191 is 191254103152324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423251301452191 - 2¹¹ = 423251301450143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423251301452101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805724670 + ... + 806249803.

It is an arithmetic number, because the mean of its divisors is an integer number (105813228422308).

Almost surely, 2^{423251301452191} is an apocalyptic number.

423251301452191 is a deficient number, since it is larger than the sum of its proper divisors (1612237041).

423251301452191 is a wasteful number, since it uses less digits than its factorization.

423251301452191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612237040.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 423251301452191 in words is "four hundred twenty-three trillion, two hundred fifty-one billion, three hundred one million, four hundred fifty-two thousand, one hundred ninety-one".