2021243141023 has 8 divisors (see below), whose sum is σ = 2023585652480. Its totient is φ = 2018900882520.

The previous prime is 2021243141003. The next prime is 2021243141033. The reversal of 2021243141023 is 3201413421202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021243141023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021243141003) 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, 19349548 + ... + 19453726.

It is an arithmetic number, because the mean of its divisors is an integer number (252948206560).

Almost surely, 2^{2021243141023} is an apocalyptic number.

2021243141023 is a deficient number, since it is larger than the sum of its proper divisors (2342511457).

2021243141023 is a wasteful number, since it uses less digits than its factorization.

2021243141023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126477.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2021243141023 its reverse (3201413421202), we get a palindrome (5222656562225).

The spelling of 2021243141023 in words is "two trillion, twenty-one billion, two hundred forty-three million, one hundred forty-one thousand, twenty-three".