2141021023 has 4 divisors (see below), whose sum is σ = 2253706360. Its totient is φ = 2028335688.

The previous prime is 2141021011. The next prime is 2141021039. The reversal of 2141021023 is 3201201412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141020988 and 2141021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141021053) 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, 56342640 + ... + 56342677.

It is an arithmetic number, because the mean of its divisors is an integer number (563426590).

Almost surely, 2^2141021023 is an apocalyptic number.

2141021023 is a deficient number, since it is larger than the sum of its proper divisors (112685337).

2141021023 is a wasteful number, since it uses less digits than its factorization.

2141021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112685336.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2141021023 is about 46271.1683772952. The cubic root of 2141021023 is about 1288.8636554730.

Adding to 2141021023 its reverse (3201201412), we get a palindrome (5342222435).

The spelling of 2141021023 in words is "two billion, one hundred forty-one million, twenty-one thousand, twenty-three".