2123002020023 has 4 divisors (see below), whose sum is σ = 2123103334080. Its totient is φ = 2122900705968.

The previous prime is 2123002020017. The next prime is 2123002020031. The reversal of 2123002020023 is 3200202003212.

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 2123002020023 - 2⁶ = 2123002019959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123002019983 and 2123002020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123002020323) 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, 50625590 + ... + 50667507.

It is an arithmetic number, because the mean of its divisors is an integer number (530775833520).

Almost surely, 2^{2123002020023} is an apocalyptic number.

2123002020023 is a deficient number, since it is larger than the sum of its proper divisors (101314057).

2123002020023 is a wasteful number, since it uses less digits than its factorization.

2123002020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101314056.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2123002020023 its reverse (3200202003212), we get a palindrome (5323204023235).

The spelling of 2123002020023 in words is "two trillion, one hundred twenty-three billion, two million, twenty thousand, twenty-three".