897740423 has 4 divisors (see below), whose sum is σ = 902929848. Its totient is φ = 892551000.

The previous prime is 897740413. The next prime is 897740429. The reversal of 897740423 is 324047798.

897740423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 897740423 - 2⁶ = 897740359 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 (897740429) 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, 2594453 + ... + 2594798.

It is an arithmetic number, because the mean of its divisors is an integer number (225732462).

Almost surely, 2^897740423 is an apocalyptic number.

897740423 is a deficient number, since it is larger than the sum of its proper divisors (5189425).

897740423 is a wasteful number, since it uses less digits than its factorization.

897740423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189424.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 897740423 is about 29962.3167161687. The cubic root of 897740423 is about 964.6807083485.

The spelling of 897740423 in words is "eight hundred ninety-seven million, seven hundred forty thousand, four hundred twenty-three".