19231123297 has 8 divisors (see below), whose sum is σ = 19627207200. Its totient is φ = 18838246944.

The previous prime is 19231123279. The next prime is 19231123319. The reversal of 19231123297 is 79232113291.

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

It is a cyclic number.

It is not a de Polignac number, because 19231123297 - 2⁷ = 19231123169 is a prime.

It is a super-2 number, since 2×19231123297² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19231123697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789772 + ... + 813757.

It is an arithmetic number, because the mean of its divisors is an integer number (2453400900).

Almost surely, 2^19231123297 is an apocalyptic number.

It is an amenable number.

19231123297 is a deficient number, since it is larger than the sum of its proper divisors (396083903).

19231123297 is a wasteful number, since it uses less digits than its factorization.

19231123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603775.

The product of its digits is 40824, while the sum is 40.

The spelling of 19231123297 in words is "nineteen billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred ninety-seven".