1322123357 has 2 divisors, whose sum is σ = 1322123358. Its totient is φ = 1322123356.

The previous prime is 1322123323. The next prime is 1322123377. The reversal of 1322123357 is 7533212231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1294128676 + 27994681 = 35974^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322123357 - 2⁶ = 1322123293 is a prime.

It is a super-2 number, since 2×1322123357² = 3496020342249898898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322123377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661061678 + 661061679.

It is an arithmetic number, because the mean of its divisors is an integer number (661061679).

Almost surely, 2^1322123357 is an apocalyptic number.

It is an amenable number.

1322123357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322123357 is an equidigital number, since it uses as much as digits as its factorization.

1322123357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 1322123357 is about 36361.0142460300. The cubic root of 1322123357 is about 1097.5491874185.

Adding to 1322123357 its reverse (7533212231), we get a palindrome (8855335588).

The spelling of 1322123357 in words is "one billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred fifty-seven".