1123422031215 has 48 divisors (see below), whose sum is σ = 2249247121056. Its totient is φ = 512648908800.

The previous prime is 1123422031183. The next prime is 1123422031217. The reversal of 1123422031215 is 5121302243211.

It is a happy number.

1123422031215 is a `hidden beast` number, since 1 + 1 + 2 + 342 + 2 + 0 + 312 + 1 + 5 = 666.

It is not a de Polignac number, because 1123422031215 - 2⁵ = 1123422031183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123422031217) 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, 66742746 + ... + 66759575.

It is an arithmetic number, because the mean of its divisors is an integer number (46859315022).

Almost surely, 2^{1123422031215} is an apocalyptic number.

1123422031215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123422031215 is an abundant number, since it is smaller than the sum of its proper divisors (1125825089841).

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

1123422031215 is a wasteful number, since it uses less digits than its factorization.

1123422031215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133502360 (or 133502357 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1123422031215 its reverse (5121302243211), we get a palindrome (6244724274426).

The spelling of 1123422031215 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-two million, thirty-one thousand, two hundred fifteen".