2321640123 has 8 divisors (see below), whose sum is σ = 3376931136. Its totient is φ = 1407054600.

The previous prime is 2321640109. The next prime is 2321640151. The reversal of 2321640123 is 3210461232.

2321640123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2321640123 - 2⁴ = 2321640107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321640093 and 2321640102.

It is not an unprimeable number, because it can be changed into a prime (2321640103) 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, 35176333 + ... + 35176398.

It is an arithmetic number, because the mean of its divisors is an integer number (422116392).

Almost surely, 2^2321640123 is an apocalyptic number.

2321640123 is a deficient number, since it is larger than the sum of its proper divisors (1055291013).

2321640123 is a wasteful number, since it uses less digits than its factorization.

2321640123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70352745.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2321640123 is about 48183.4009073664. The cubic root of 2321640123 is about 1324.1330743943.

The spelling of 2321640123 in words is "two billion, three hundred twenty-one million, six hundred forty thousand, one hundred twenty-three".