1223010101023 has 4 divisors (see below), whose sum is σ = 1227660329808. Its totient is φ = 1218359872240.

The previous prime is 1223010101011. The next prime is 1223010101063. The reversal of 1223010101023 is 3201010103221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223010101023 - 2⁹ = 1223010100511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223010100988 and 1223010101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223010101063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325113998 + ... + 2325114523.

It is an arithmetic number, because the mean of its divisors is an integer number (306915082452).

Almost surely, 2^{1223010101023} is an apocalyptic number.

1223010101023 is a deficient number, since it is larger than the sum of its proper divisors (4650228785).

1223010101023 is an equidigital number, since it uses as much as digits as its factorization.

1223010101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650228784.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1223010101023 its reverse (3201010103221), we get a palindrome (4424020204244).

The spelling of 1223010101023 in words is "one trillion, two hundred twenty-three billion, ten million, one hundred one thousand, twenty-three".