1023722387503 has 2 divisors, whose sum is σ = 1023722387504. Its totient is φ = 1023722387502.

The previous prime is 1023722387497. The next prime is 1023722387537. The reversal of 1023722387503 is 3057832273201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023722387503 - 2⁹ = 1023722386991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023722387503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023722387903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511861193751 + 511861193752.

It is an arithmetic number, because the mean of its divisors is an integer number (511861193752).

Almost surely, 2^{1023722387503} is an apocalyptic number.

1023722387503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023722387503 is an equidigital number, since it uses as much as digits as its factorization.

1023722387503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 1023722387503 in words is "one trillion, twenty-three billion, seven hundred twenty-two million, three hundred eighty-seven thousand, five hundred three".