111203212323 has 8 divisors (see below), whose sum is σ = 169452514048. Its totient is φ = 63544692744.

The previous prime is 111203212319. The next prime is 111203212343. The reversal of 111203212323 is 323212302111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111203212323 - 2² = 111203212319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5295391063 = 111203212323 / (1 + 1 + 1 + 2 + 0 + 3 + 2 + 1 + 2 + 3 + 2 + 3).

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 111203212323.

It is not an unprimeable number, because it can be changed into a prime (111203212343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647695511 + ... + 2647695552.

It is an arithmetic number, because the mean of its divisors is an integer number (21181564256).

Almost surely, 2^111203212323 is an apocalyptic number.

111203212323 is a deficient number, since it is larger than the sum of its proper divisors (58249301725).

111203212323 is an equidigital number, since it uses as much as digits as its factorization.

111203212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295391073.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111203212323 its reverse (323212302111), we get a palindrome (434415514434).

The spelling of 111203212323 in words is "one hundred eleven billion, two hundred three million, two hundred twelve thousand, three hundred twenty-three".