1101223023973 has 2 divisors, whose sum is σ = 1101223023974. Its totient is φ = 1101223023972.

The previous prime is 1101223023941. The next prime is 1101223024049. The reversal of 1101223023973 is 3793203221011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101192088129 + 30935844 = 1049377^2 + 5562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101223023973 - 2⁵ = 1101223023941 is a prime.

It is a super-3 number, since 3×1101223023973³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101223023913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550611511986 + 550611511987.

It is an arithmetic number, because the mean of its divisors is an integer number (550611511987).

Almost surely, 2^{1101223023973} is an apocalyptic number.

It is an amenable number.

1101223023973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101223023973 is an equidigital number, since it uses as much as digits as its factorization.

1101223023973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

Adding to 1101223023973 its reverse (3793203221011), we get a palindrome (4894426244984).

The spelling of 1101223023973 in words is "one trillion, one hundred one billion, two hundred twenty-three million, twenty-three thousand, nine hundred seventy-three".