11403523032 has 96 divisors (see below), whose sum is σ = 31529682240. Its totient is φ = 3434270400.

The previous prime is 11403523031. The next prime is 11403523049. The reversal of 11403523032 is 23032530411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11403522993 and 11403523011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403523031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461307 + ... + 485397.

It is an arithmetic number, because the mean of its divisors is an integer number (328434190).

Almost surely, 2^11403523032 is an apocalyptic number.

11403523032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403523032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15764841120).

11403523032 is an abundant number, since it is smaller than the sum of its proper divisors (20126159208).

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

11403523032 is a wasteful number, since it uses less digits than its factorization.

11403523032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24285 (or 24270 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

It can be divided in two parts, 11403 and 523032, that added together give a palindrome (534435).

The spelling of 11403523032 in words is "eleven billion, four hundred three million, five hundred twenty-three thousand, thirty-two".