11423252121400 has 96 divisors (see below), whose sum is σ = 31093535198880. Its totient is φ = 3821018112000.

The previous prime is 11423252121389. The next prime is 11423252121409. The reversal of 11423252121400 is 412125232411.

It is a happy number.

11423252121400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423252121409) 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, 99448281 + ... + 99563080.

It is an arithmetic number, because the mean of its divisors is an integer number (323890991655).

Almost surely, 2^{11423252121400} is an apocalyptic number.

11423252121400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11423252121400 is an abundant number, since it is smaller than the sum of its proper divisors (19670283077480).

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

11423252121400 is a wasteful number, since it uses less digits than its factorization.

11423252121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199011425 (or 199011416 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11423252121400 its reverse (412125232411), we get a palindrome (11835377353811).

The spelling of 11423252121400 in words is "eleven trillion, four hundred twenty-three billion, two hundred fifty-two million, one hundred twenty-one thousand, four hundred".