20103223110023 has 4 divisors (see below), whose sum is σ = 20108339739840. Its totient is φ = 20098106480208.

The previous prime is 20103223110017. The next prime is 20103223110043. The reversal of 20103223110023 is 32001132230102.

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 20103223110023 - 2⁴² = 15705176598919 is a prime.

It is a super-2 number, since 2×20103223110023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103223109977 and 20103223110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103223110043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558309015 + ... + 2558316872.

It is an arithmetic number, because the mean of its divisors is an integer number (5027084934960).

Almost surely, 2^{20103223110023} is an apocalyptic number.

20103223110023 is a deficient number, since it is larger than the sum of its proper divisors (5116629817).

20103223110023 is an equidigital number, since it uses as much as digits as its factorization.

20103223110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116629816.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20103223110023 its reverse (32001132230102), we get a palindrome (52104355340125).

The spelling of 20103223110023 in words is "twenty trillion, one hundred three billion, two hundred twenty-three million, one hundred ten thousand, twenty-three".