797712123 has 8 divisors (see below), whose sum is σ = 1145432848. Its totient is φ = 490899744.

The previous prime is 797712103. The next prime is 797712173. The reversal of 797712123 is 321217797.

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

It is not a de Polignac number, because 797712123 - 2¹³ = 797703931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 20454157 = 797712123 / (7 + 9 + 7 + 7 + 1 + 2 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797712103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10227040 + ... + 10227117.

It is an arithmetic number, because the mean of its divisors is an integer number (143179106).

Almost surely, 2^797712123 is an apocalyptic number.

797712123 is a deficient number, since it is larger than the sum of its proper divisors (347720725).

797712123 is a wasteful number, since it uses less digits than its factorization.

797712123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454173.

The product of its digits is 37044, while the sum is 39.

The square root of 797712123 is about 28243.7979563656. The cubic root of 797712123 is about 927.4319730793.

It can be divided in two parts, 7977 and 12123, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 797712123 in words is "seven hundred ninety-seven million, seven hundred twelve thousand, one hundred twenty-three".