1122212323 has 4 divisors (see below), whose sum is σ = 1148310328. Its totient is φ = 1096114320.

The previous prime is 1122212291. The next prime is 1122212327. The reversal of 1122212323 is 3232122211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232122211 = 373 ⋅8665207.

It is a cyclic number.

It is not a de Polignac number, because 1122212323 - 2⁵ = 1122212291 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 1122212323.

It is not an unprimeable number, because it can be changed into a prime (1122212327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13048938 + ... + 13049023.

It is an arithmetic number, because the mean of its divisors is an integer number (287077582).

Almost surely, 2^1122212323 is an apocalyptic number.

1122212323 is a deficient number, since it is larger than the sum of its proper divisors (26098005).

1122212323 is an equidigital number, since it uses as much as digits as its factorization.

1122212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26098004.

The product of its digits is 288, while the sum is 19.

The square root of 1122212323 is about 33499.4376519965. The cubic root of 1122212323 is about 1039.1821488659.

Adding to 1122212323 its reverse (3232122211), we get a palindrome (4354334534).

The spelling of 1122212323 in words is "one billion, one hundred twenty-two million, two hundred twelve thousand, three hundred twenty-three".