1223331803 has 2 divisors, whose sum is σ = 1223331804. Its totient is φ = 1223331802.

The previous prime is 1223331799. The next prime is 1223331821. The reversal of 1223331803 is 3081333221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3081333221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223331803 - 2² = 1223331799 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1223333803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611665901 + 611665902.

It is an arithmetic number, because the mean of its divisors is an integer number (611665902).

Almost surely, 2^1223331803 is an apocalyptic number.

1223331803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223331803 is an equidigital number, since it uses as much as digits as its factorization.

1223331803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1223331803 is about 34976.1604954003. The cubic root of 1223331803 is about 1069.5015592690.

The spelling of 1223331803 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, eight hundred three".