2321211023 has 16 divisors (see below), whose sum is σ = 2424038400. Its totient is φ = 2220926400.

The previous prime is 2321211017. The next prime is 2321211041. The reversal of 2321211023 is 3201121232.

It is a cyclic number.

It is not a de Polignac number, because 2321211023 - 2⁸ = 2321210767 is a prime.

It is a super-2 number, since 2×2321211023² = 10776041226593413058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321210992 and 2321211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321211073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577286 + ... + 581292.

It is an arithmetic number, because the mean of its divisors is an integer number (151502400).

Almost surely, 2^2321211023 is an apocalyptic number.

2321211023 is a deficient number, since it is larger than the sum of its proper divisors (102827377).

2321211023 is a wasteful number, since it uses less digits than its factorization.

2321211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321211023 is about 48178.9479233410. The cubic root of 2321211023 is about 1324.0514911915.

Adding to 2321211023 its reverse (3201121232), we get a palindrome (5522332255).

The spelling of 2321211023 in words is "two billion, three hundred twenty-one million, two hundred eleven thousand, twenty-three".