11442220431323 has 16 divisors (see below), whose sum is σ = 12548222410752. Its totient is φ = 10347189024000.

The previous prime is 11442220431281. The next prime is 11442220431419. The reversal of 11442220431323 is 32313402224411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11442220431323 - 2¹² = 11442220427227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11442220431323.

It is not an unprimeable number, because it can be changed into a prime (11442220431823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71419115 + ... + 71579147.

It is an arithmetic number, because the mean of its divisors is an integer number (784263900672).

Almost surely, 2^{11442220431323} is an apocalyptic number.

11442220431323 is a deficient number, since it is larger than the sum of its proper divisors (1106001979429).

11442220431323 is a wasteful number, since it uses less digits than its factorization.

11442220431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194266.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 11442220431323 its reverse (32313402224411), we get a palindrome (43755622655734).

The spelling of 11442220431323 in words is "eleven trillion, four hundred forty-two billion, two hundred twenty million, four hundred thirty-one thousand, three hundred twenty-three".