1223234140369 has 2 divisors, whose sum is σ = 1223234140370. Its totient is φ = 1223234140368.

The previous prime is 1223234140333. The next prime is 1223234140423. The reversal of 1223234140369 is 9630414323221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107914130625 + 115320009744 = 1052575^2 + 339588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223234140369 is a prime.

It is a super-2 number, since 2×1223234140369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1223234140169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611617070184 + 611617070185.

It is an arithmetic number, because the mean of its divisors is an integer number (611617070185).

Almost surely, 2^{1223234140369} is an apocalyptic number.

It is an amenable number.

1223234140369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223234140369 is an equidigital number, since it uses as much as digits as its factorization.

1223234140369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 1223234140369 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-four million, one hundred forty thousand, three hundred sixty-nine".