1002223023547 has 2 divisors, whose sum is σ = 1002223023548. Its totient is φ = 1002223023546.

The previous prime is 1002223023427. The next prime is 1002223023563. The reversal of 1002223023547 is 7453203222001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002223023547 - 2¹⁹ = 1002222499259 is a prime.

It is a super-2 number, since 2×1002223023547² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002223023847) 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, 501111511773 + 501111511774.

It is an arithmetic number, because the mean of its divisors is an integer number (501111511774).

Almost surely, 2^{1002223023547} is an apocalyptic number.

1002223023547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002223023547 is an equidigital number, since it uses as much as digits as its factorization.

1002223023547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 1002223023547 its reverse (7453203222001), we get a palindrome (8455426245548).

The spelling of 1002223023547 in words is "one trillion, two billion, two hundred twenty-three million, twenty-three thousand, five hundred forty-seven".