1042602321623 has 2 divisors, whose sum is σ = 1042602321624. Its totient is φ = 1042602321622.

The previous prime is 1042602321613. The next prime is 1042602321641. The reversal of 1042602321623 is 3261232062401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042602321623 - 2²⁶ = 1042535212759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042602321623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042602321613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521301160811 + 521301160812.

It is an arithmetic number, because the mean of its divisors is an integer number (521301160812).

Almost surely, 2^{1042602321623} is an apocalyptic number.

1042602321623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042602321623 is an equidigital number, since it uses as much as digits as its factorization.

1042602321623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 1042602321623 in words is "one trillion, forty-two billion, six hundred two million, three hundred twenty-one thousand, six hundred twenty-three".