1123351323642 has 24 divisors (see below), whose sum is σ = 2577100096116. Its totient is φ = 352423944576.

The previous prime is 1123351323623. The next prime is 1123351323683. The reversal of 1123351323642 is 2463231533211.

1123351323642 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 3 + 5 + 1 + 3 + 2 + 3 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1068078843441 + 55272480201 = 1033479^2 + 235101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1123351323597 and 1123351323606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835541073 + ... + 1835541684.

Almost surely, 2^{1123351323642} is an apocalyptic number.

1123351323642 is an abundant number, since it is smaller than the sum of its proper divisors (1453748772474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123351323642 is a wasteful number, since it uses less digits than its factorization.

1123351323642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671082782 (or 3671082779 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 1123351323642 its reverse (2463231533211), we get a palindrome (3586582856853).

The spelling of 1123351323642 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-one million, three hundred twenty-three thousand, six hundred forty-two".