2321023020 has 24 divisors (see below), whose sum is σ = 6498864624. Its totient is φ = 618939456.

The previous prime is 2321023013. The next prime is 2321023027. The reversal of 2321023020 is 203201232.

It is an interprime number because it is at equal distance from previous prime (2321023013) and next prime (2321023027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2321023027) 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, 19341799 + ... + 19341918.

It is an arithmetic number, because the mean of its divisors is an integer number (270786026).

Almost surely, 2^2321023020 is an apocalyptic number.

2321023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321023020 is an abundant number, since it is smaller than the sum of its proper divisors (4177841604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321023020 is a wasteful number, since it uses less digits than its factorization.

2321023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38683729 (or 38683727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2321023020 is about 48176.9967930754. The cubic root of 2321023020 is about 1324.0157437058.

Adding to 2321023020 its reverse (203201232), we get a palindrome (2524224252).

The spelling of 2321023020 in words is "two billion, three hundred twenty-one million, twenty-three thousand, twenty".