2101203123023 has 8 divisors (see below), whose sum is σ = 2107884718128. Its totient is φ = 2094521863104.

The previous prime is 2101203123011. The next prime is 2101203123091. The reversal of 2101203123023 is 3203213021012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101203123023 - 2²⁴ = 2101186345807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101203122986 and 2101203123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101203125023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20389715 + ... + 20492507.

It is an arithmetic number, because the mean of its divisors is an integer number (263485589766).

Almost surely, 2^{2101203123023} is an apocalyptic number.

2101203123023 is a deficient number, since it is larger than the sum of its proper divisors (6681595105).

2101203123023 is a wasteful number, since it uses less digits than its factorization.

2101203123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167593.

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

Adding to 2101203123023 its reverse (3203213021012), we get a palindrome (5304416144035).

The spelling of 2101203123023 in words is "two trillion, one hundred one billion, two hundred three million, one hundred twenty-three thousand, twenty-three".