11203423134432 has 96 divisors (see below), whose sum is σ = 30389726997504. Its totient is φ = 3610190284800.

The previous prime is 11203423134353. The next prime is 11203423134461. The reversal of 11203423134432 is 23443132430211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11203423134432² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11203423134393 and 11203423134402.

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, 830632 + ... + 4805912.

It is an arithmetic number, because the mean of its divisors is an integer number (316559656224).

Almost surely, 2^{11203423134432} is an apocalyptic number.

11203423134432 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 11203423134432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15194863498752).

11203423134432 is an abundant number, since it is smaller than the sum of its proper divisors (19186303863072).

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

11203423134432 is a wasteful number, since it uses less digits than its factorization.

11203423134432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976272 (or 3976264 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 11203423134432 its reverse (23443132430211), we get a palindrome (34646555564643).

The spelling of 11203423134432 in words is "eleven trillion, two hundred three billion, four hundred twenty-three million, one hundred thirty-four thousand, four hundred thirty-two".