1223357 has 2 divisors, whose sum is σ = 1223358. Its totient is φ = 1223356.

The previous prime is 1223351. The next prime is 1223381. The reversal of 1223357 is 7533221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 121 = 1106^2 + 11^2 .

It is an emirp because it is prime and its reverse (7533221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223357 - 2¹⁴ = 1206973 is a prime.

It is a Chen prime.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611678 + 611679.

It is an arithmetic number, because the mean of its divisors is an integer number (611679).

2^1223357 is an apocalyptic number.

It is an amenable number.

1223357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223357 is an equidigital number, since it uses as much as digits as its factorization.

1223357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 1223357 is about 1106.0547002748. The cubic root of 1223357 is about 106.9508902070.

Adding to 1223357 its reverse (7533221), we get a palindrome (8756578).

The spelling of 1223357 in words is "one million, two hundred twenty-three thousand, three hundred fifty-seven".