1223331575723 has 2 divisors, whose sum is σ = 1223331575724. Its totient is φ = 1223331575722.

The previous prime is 1223331575693. The next prime is 1223331575737. The reversal of 1223331575723 is 3275751333221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223331575723 - 2²⁴ = 1223314798507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223331575773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611665787861 + 611665787862.

It is an arithmetic number, because the mean of its divisors is an integer number (611665787862).

Almost surely, 2^{1223331575723} is an apocalyptic number.

1223331575723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223331575723 is an equidigital number, since it uses as much as digits as its factorization.

1223331575723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 44.

The spelling of 1223331575723 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-one million, five hundred seventy-five thousand, seven hundred twenty-three".