11123422131304 has 32 divisors (see below), whose sum is σ = 23836036924800. Its totient is φ = 4767154441920.

The previous prime is 11123422131247. The next prime is 11123422131307. The reversal of 11123422131304 is 40313122432111.

It is a super-2 number, since 2×11123422131304² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (11123422131307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12255309 + ... + 13131619.

It is an arithmetic number, because the mean of its divisors is an integer number (744876153900).

Almost surely, 2^{11123422131304} is an apocalyptic number.

11123422131304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11123422131304 is an abundant number, since it is smaller than the sum of its proper divisors (12712614793496).

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

11123422131304 is a wasteful number, since it uses less digits than its factorization.

11123422131304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102993 (or 1102989 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11123422131304 its reverse (40313122432111), we get a palindrome (51436544563415).

The spelling of 11123422131304 in words is "eleven trillion, one hundred twenty-three billion, four hundred twenty-two million, one hundred thirty-one thousand, three hundred four".