1223033287837 has 2 divisors, whose sum is σ = 1223033287838. Its totient is φ = 1223033287836.

The previous prime is 1223033287771. The next prime is 1223033287867. The reversal of 1223033287837 is 7387823303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1167553725156 + 55479562681 = 1080534^2 + 235541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223033287837 - 2¹⁹ = 1223032763549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223033287867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611516643918 + 611516643919.

It is an arithmetic number, because the mean of its divisors is an integer number (611516643919).

Almost surely, 2^{1223033287837} is an apocalyptic number.

It is an amenable number.

1223033287837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223033287837 is an equidigital number, since it uses as much as digits as its factorization.

1223033287837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 1223033287837 in words is "one trillion, two hundred twenty-three billion, thirty-three million, two hundred eighty-seven thousand, eight hundred thirty-seven".