1123041023442 has 96 divisors (see below), whose sum is σ = 2636107044480. Its totient is φ = 343485204480.

The previous prime is 1123041023411. The next prime is 1123041023443. The reversal of 1123041023442 is 2443201403211.

1123041023442 is a `hidden beast` number, since 1 + 1 + 2 + 304 + 10 + 2 + 344 + 2 = 666.

It is a super-2 number, since 2×1123041023442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123041023443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177216498 + ... + 177222834.

It is an arithmetic number, because the mean of its divisors is an integer number (27459448380).

Almost surely, 2^{1123041023442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123041023442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318053522240).

1123041023442 is an abundant number, since it is smaller than the sum of its proper divisors (1513066021038).

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

1123041023442 is a wasteful number, since it uses less digits than its factorization.

1123041023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768 (or 10765 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1123041023442 its reverse (2443201403211), we get a palindrome (3566242426653).

The spelling of 1123041023442 in words is "one trillion, one hundred twenty-three billion, forty-one million, twenty-three thousand, four hundred forty-two".