2321000123 has 16 divisors (see below), whose sum is σ = 2737838880. Its totient is φ = 1946896896.

The previous prime is 2321000093. The next prime is 2321000141. The reversal of 2321000123 is 3210001232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2321000123 - 2⁸ = 2320999867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321000098 and 2321000107.

It is not an unprimeable number, because it can be changed into a prime (2321000183) 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, 174665 + ... + 187482.

It is an arithmetic number, because the mean of its divisors is an integer number (171114930).

Almost surely, 2^2321000123 is an apocalyptic number.

2321000123 is a deficient number, since it is larger than the sum of its proper divisors (416838757).

2321000123 is a wasteful number, since it uses less digits than its factorization.

2321000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362206.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2321000123 is about 48176.7591583328. The cubic root of 2321000123 is about 1324.0113898659.

Adding to 2321000123 its reverse (3210001232), we get a palindrome (5531001355).

It can be divided in two parts, 2 and 321000123, that multiplied together give a palindrome (642000246).

The spelling of 2321000123 in words is "two billion, three hundred twenty-one million, one hundred twenty-three", and thus it is an aban number.