2121034023 has 6 divisors (see below), whose sum is σ = 3063715824. Its totient is φ = 1414022676.

The previous prime is 2121034007. The next prime is 2121034061. The reversal of 2121034023 is 3204301212.

It is not a de Polignac number, because 2121034023 - 2⁴ = 2121034007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121033987 and 2121034005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121034073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117835215 + ... + 117835232.

It is an arithmetic number, because the mean of its divisors is an integer number (510619304).

Almost surely, 2^2121034023 is an apocalyptic number.

2121034023 is a deficient number, since it is larger than the sum of its proper divisors (942681801).

2121034023 is a wasteful number, since it uses less digits than its factorization.

2121034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235670453 (or 235670450 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2121034023 is about 46054.6851362595. The cubic root of 2121034023 is about 1284.8404820481.

Adding to 2121034023 its reverse (3204301212), we get a palindrome (5325335235).

The spelling of 2121034023 in words is "two billion, one hundred twenty-one million, thirty-four thousand, twenty-three".