1223702377 has 2 divisors, whose sum is σ = 1223702378. Its totient is φ = 1223702376.

The previous prime is 1223702371. The next prime is 1223702383. The reversal of 1223702377 is 7732073221.

It is a balanced prime because it is at equal distance from previous prime (1223702371) and next prime (1223702383).

It can be written as a sum of positive squares in only one way, i.e., 1219127056 + 4575321 = 34916^2 + 2139^2 .

It is an emirp because it is prime and its reverse (7732073221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223702377 - 2¹⁵ = 1223669609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223702371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611851188 + 611851189.

It is an arithmetic number, because the mean of its divisors is an integer number (611851189).

Almost surely, 2^1223702377 is an apocalyptic number.

It is an amenable number.

1223702377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223702377 is an equidigital number, since it uses as much as digits as its factorization.

1223702377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 1223702377 is about 34981.4576168575. The cubic root of 1223702377 is about 1069.6095401830.

Adding to 1223702377 its reverse (7732073221), we get a palindrome (8955775598).

The spelling of 1223702377 in words is "one billion, two hundred twenty-three million, seven hundred two thousand, three hundred seventy-seven".