11332123420 has 24 divisors (see below), whose sum is σ = 23842983024. Its totient is φ = 4524178176.

The previous prime is 11332123403. The next prime is 11332123447. The reversal of 11332123420 is 2432123311.

It is a super-2 number, since 2×11332123420² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11332123391 and 11332123400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531229 + ... + 552148.

It is an arithmetic number, because the mean of its divisors is an integer number (993457626).

Almost surely, 2^11332123420 is an apocalyptic number.

11332123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11332123420 is an abundant number, since it is smaller than the sum of its proper divisors (12510859604).

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

11332123420 is a wasteful number, since it uses less digits than its factorization.

11332123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083909 (or 1083907 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11332123420 its reverse (2432123311), we get a palindrome (13764246731).

The spelling of 11332123420 in words is "eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, four hundred twenty".