1123005728797 has 8 divisors (see below), whose sum is σ = 1123496282016. Its totient is φ = 1122515291952.

The previous prime is 1123005728783. The next prime is 1123005728807. The reversal of 1123005728797 is 7978275003211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123005728797 is a prime.

It is a super-2 number, since 2×1123005728797² (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 (1123005728737) 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, 23100438 + ... + 23149000.

It is an arithmetic number, because the mean of its divisors is an integer number (140437035252).

Almost surely, 2^{1123005728797} is an apocalyptic number.

It is an amenable number.

1123005728797 is a deficient number, since it is larger than the sum of its proper divisors (490553219).

1123005728797 is an equidigital number, since it uses as much as digits as its factorization.

1123005728797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58187.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 1123005728797 in words is "one trillion, one hundred twenty-three billion, five million, seven hundred twenty-eight thousand, seven hundred ninety-seven".