897423286423 has 4 divisors (see below), whose sum is σ = 906136133968. Its totient is φ = 888710438880.

The previous prime is 897423286351. The next prime is 897423286433. The reversal of 897423286423 is 324682324798.

It is a happy number.

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 897423286423 - 2²⁹ = 896886415511 is a prime.

It is a super-2 number, since 2×897423286423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897423286433) 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, 4356423618 + ... + 4356423823.

It is an arithmetic number, because the mean of its divisors is an integer number (226534033492).

Almost surely, 2^897423286423 is an apocalyptic number.

897423286423 is a deficient number, since it is larger than the sum of its proper divisors (8712847545).

897423286423 is a wasteful number, since it uses less digits than its factorization.

897423286423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712847544.

The product of its digits is 27869184, while the sum is 58.

The spelling of 897423286423 in words is "eight hundred ninety-seven billion, four hundred twenty-three million, two hundred eighty-six thousand, four hundred twenty-three".