2023011321 has 16 divisors (see below), whose sum is σ = 2732488704. Its totient is φ = 1331213184.

The previous prime is 2023011251. The next prime is 2023011323. The reversal of 2023011321 is 1231103202.

It is a de Polignac number, because none of the positive numbers 2^k-2023011321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2023011321.

It is not an unprimeable number, because it can be changed into a prime (2023011323) 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, 61581 + ... + 88533.

It is an arithmetic number, because the mean of its divisors is an integer number (170780544).

Almost surely, 2^2023011321 is an apocalyptic number.

It is an amenable number.

2023011321 is a deficient number, since it is larger than the sum of its proper divisors (709477383).

2023011321 is a wasteful number, since it uses less digits than its factorization.

2023011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2023011321 is about 44977.8981389749. The cubic root of 2023011321 is about 1264.7347100004.

Adding to 2023011321 its reverse (1231103202), we get a palindrome (3254114523).

The spelling of 2023011321 in words is "two billion, twenty-three million, eleven thousand, three hundred twenty-one".