997374423 has 8 divisors (see below), whose sum is σ = 1336135936. Its totient is φ = 661764600.

The previous prime is 997374421. The next prime is 997374457. The reversal of 997374423 is 324473799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 997374423 - 2¹ = 997374421 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 (997374421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787183 + ... + 788448.

It is an arithmetic number, because the mean of its divisors is an integer number (167016992).

Almost surely, 2^997374423 is an apocalyptic number.

997374423 is a deficient number, since it is larger than the sum of its proper divisors (338761513).

997374423 is a wasteful number, since it uses less digits than its factorization.

997374423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575845.

The product of its digits is 1143072, while the sum is 48.

The square root of 997374423 is about 31581.2352988290. The cubic root of 997374423 is about 999.1240405858.

The spelling of 997374423 in words is "nine hundred ninety-seven million, three hundred seventy-four thousand, four hundred twenty-three".