1123345303040 has 40 divisors (see below), whose sum is σ = 2693395892880. Its totient is φ = 449338120192.

The previous prime is 1123345303037. The next prime is 1123345303081. The reversal of 1123345303040 is 403035433211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1123345302994 and 1123345303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219400820 + ... + 219405939.

It is an arithmetic number, because the mean of its divisors is an integer number (67334897322).

Almost surely, 2^{1123345303040} is an apocalyptic number.

1123345303040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123345303040 is an abundant number, since it is smaller than the sum of its proper divisors (1570050589840).

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

1123345303040 is an frugal number, since it uses more digits than its factorization.

1123345303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438806782 (or 438806766 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 1123345303040 in words is "one trillion, one hundred twenty-three billion, three hundred forty-five million, three hundred three thousand, forty".