1000223233901 has 2 divisors, whose sum is σ = 1000223233902. Its totient is φ = 1000223233900.

The previous prime is 1000223233837. The next prime is 1000223233909. The reversal of 1000223233901 is 1093323220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522049600900 + 478173633001 = 722530^2 + 691501^2 .

It is an emirp because it is prime and its reverse (1093323220001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000223233901 - 2⁶ = 1000223233837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000223233909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111616950 + 500111616951.

It is an arithmetic number, because the mean of its divisors is an integer number (500111616951).

Almost surely, 2^{1000223233901} is an apocalyptic number.

It is an amenable number.

1000223233901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000223233901 is an equidigital number, since it uses as much as digits as its factorization.

1000223233901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1000223233901 its reverse (1093323220001), we get a palindrome (2093546453902).

The spelling of 1000223233901 in words is "one trillion, two hundred twenty-three million, two hundred thirty-three thousand, nine hundred one".