1123003015320 has 64 divisors (see below), whose sum is σ = 3477686768640. Its totient is φ = 289807228800.

The previous prime is 1123003015307. The next prime is 1123003015373. The reversal of 1123003015320 is 235103003211.

It is a super-2 number, since 2×1123003015320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150937546 + ... + 150944985.

It is an arithmetic number, because the mean of its divisors is an integer number (54338855760).

Almost surely, 2^{1123003015320} is an apocalyptic number.

1123003015320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123003015320 is an abundant number, since it is smaller than the sum of its proper divisors (2354683753320).

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

1123003015320 is a wasteful number, since it uses less digits than its factorization.

1123003015320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301882576 (or 301882572 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 1123003015320 its reverse (235103003211), we get a palindrome (1358106018531).

The spelling of 1123003015320 in words is "one trillion, one hundred twenty-three billion, three million, fifteen thousand, three hundred twenty".