1123851427231 has 8 divisors (see below), whose sum is σ = 1212726998000. Its totient is φ = 1035322350912.

The previous prime is 1123851427201. The next prime is 1123851427249. The reversal of 1123851427231 is 1327241583211.

It is a happy number.

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-1123851427231 is a prime.

It is a super-2 number, since 2×1123851427231² (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 (1123851427201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86616870 + ... + 86629843.

It is an arithmetic number, because the mean of its divisors is an integer number (151590874750).

Almost surely, 2^{1123851427231} is an apocalyptic number.

1123851427231 is a deficient number, since it is larger than the sum of its proper divisors (88875570769).

1123851427231 is a wasteful number, since it uses less digits than its factorization.

1123851427231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173247225.

The product of its digits is 80640, while the sum is 40.

The spelling of 1123851427231 in words is "one trillion, one hundred twenty-three billion, eight hundred fifty-one million, four hundred twenty-seven thousand, two hundred thirty-one".