2123405160 has 32 divisors (see below), whose sum is σ = 6370215840. Its totient is φ = 566241344.

The previous prime is 2123405101. The next prime is 2123405177. The reversal of 2123405160 is 615043212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2123405160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8847402 + ... + 8847641.

It is an arithmetic number, because the mean of its divisors is an integer number (199069245).

Almost surely, 2^2123405160 is an apocalyptic number.

2123405160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123405160 is an abundant number, since it is smaller than the sum of its proper divisors (4246810680).

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

2123405160 is a wasteful number, since it uses less digits than its factorization.

2123405160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695057 (or 17695053 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2123405160 is about 46080.4205709974. The cubic root of 2123405160 is about 1285.3190848149.

Adding to 2123405160 its reverse (615043212), we get a palindrome (2738448372).

The spelling of 2123405160 in words is "two billion, one hundred twenty-three million, four hundred five thousand, one hundred sixty".