1123051231344 has 80 divisors (see below), whose sum is σ = 3316252389120. Its totient is φ = 320815910400.

The previous prime is 1123051231343. The next prime is 1123051231369. The reversal of 1123051231344 is 4431321503211.

It is a super-2 number, since 2×1123051231344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123051231343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661047 + ... + 2237225.

It is an arithmetic number, because the mean of its divisors is an integer number (41453154864).

Almost surely, 2^{1123051231344} is an apocalyptic number.

1123051231344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123051231344 is an abundant number, since it is smaller than the sum of its proper divisors (2193201157776).

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

1123051231344 is a wasteful number, since it uses less digits than its factorization.

1123051231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581998 (or 581992 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1123051231344 its reverse (4431321503211), we get a palindrome (5554372734555).

The spelling of 1123051231344 in words is "one trillion, one hundred twenty-three billion, fifty-one million, two hundred thirty-one thousand, three hundred forty-four".