1123845861435 has 96 divisors (see below), whose sum is σ = 2008247738112. Its totient is φ = 532048907520.

The previous prime is 1123845861433. The next prime is 1123845861449. The reversal of 1123845861435 is 5341685483211.

It is not a de Polignac number, because 1123845861435 - 2¹ = 1123845861433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123845861433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1737010282 + ... + 1737010928.

It is an arithmetic number, because the mean of its divisors is an integer number (20919247272).

Almost surely, 2^{1123845861435} is an apocalyptic number.

1123845861435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123845861435 is a deficient number, since it is larger than the sum of its proper divisors (884401876677).

1123845861435 is an equidigital number, since it uses as much as digits as its factorization.

1123845861435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1026 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The spelling of 1123845861435 in words is "one trillion, one hundred twenty-three billion, eight hundred forty-five million, eight hundred sixty-one thousand, four hundred thirty-five".