1222123343 has 16 divisors (see below), whose sum is σ = 1426553856. Its totient is φ = 1025250720.

The previous prime is 1222123337. The next prime is 1222123351. The reversal of 1222123343 is 3433212221.

It is a cyclic number.

It is not a de Polignac number, because 1222123343 - 2²⁴ = 1205346127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222123303) 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, 156080 + ... + 163722.

It is an arithmetic number, because the mean of its divisors is an integer number (89159616).

Almost surely, 2^1222123343 is an apocalyptic number.

1222123343 is a deficient number, since it is larger than the sum of its proper divisors (204430513).

1222123343 is an equidigital number, since it uses as much as digits as its factorization.

1222123343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134.

The product of its digits is 1728, while the sum is 23.

The square root of 1222123343 is about 34958.8807458134. The cubic root of 1222123343 is about 1069.1492766302.

Adding to 1222123343 its reverse (3433212221), we get a palindrome (4655335564).

The spelling of 1222123343 in words is "one billion, two hundred twenty-two million, one hundred twenty-three thousand, three hundred forty-three".