1123823627481 has 32 divisors (see below), whose sum is σ = 1580948075520. Its totient is φ = 708706304064.

The previous prime is 1123823627401. The next prime is 1123823627483. The reversal of 1123823627481 is 1847263283211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1123823627481 is a prime.

It is a super-2 number, since 2×1123823627481² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123823627481.

It is not an unprimeable number, because it can be changed into a prime (1123823627483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3790630 + ... + 4076336.

It is an arithmetic number, because the mean of its divisors is an integer number (49404627360).

Almost surely, 2^{1123823627481} is an apocalyptic number.

It is an amenable number.

1123823627481 is a deficient number, since it is larger than the sum of its proper divisors (457124448039).

1123823627481 is a wasteful number, since it uses less digits than its factorization.

1123823627481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286365.

The product of its digits is 774144, while the sum is 48.

The spelling of 1123823627481 in words is "one trillion, one hundred twenty-three billion, eight hundred twenty-three million, six hundred twenty-seven thousand, four hundred eighty-one".