1322203123 has 2 divisors, whose sum is σ = 1322203124. Its totient is φ = 1322203122.

The previous prime is 1322203081. The next prime is 1322203151. The reversal of 1322203123 is 3213022231.

It is a strong prime.

It is an emirp because it is prime and its reverse (3213022231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322203123 - 2¹⁷ = 1322072051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322203123.

It is not a weakly prime, because it can be changed into another prime (1322207123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661101561 + 661101562.

It is an arithmetic number, because the mean of its divisors is an integer number (661101562).

Almost surely, 2^1322203123 is an apocalyptic number.

1322203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322203123 is an equidigital number, since it uses as much as digits as its factorization.

1322203123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1322203123 is about 36362.1110910794. Note that the first 3 decimals coincide. The cubic root of 1322203123 is about 1097.5712593246.

Adding to 1322203123 its reverse (3213022231), we get a palindrome (4535225354).

The spelling of 1322203123 in words is "one billion, three hundred twenty-two million, two hundred three thousand, one hundred twenty-three".