2123405162 has 32 divisors (see below), whose sum is σ = 3442746240. Its totient is φ = 978557440.

The previous prime is 2123405101. The next prime is 2123405177. The reversal of 2123405162 is 2615043212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561803 + ... + 565569.

It is an arithmetic number, because the mean of its divisors is an integer number (107585820).

Almost surely, 2^2123405162 is an apocalyptic number.

2123405162 is a deficient number, since it is larger than the sum of its proper divisors (1319341078).

2123405162 is a wasteful number, since it uses less digits than its factorization.

2123405162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2123405162 is about 46080.4205926986. The cubic root of 2123405162 is about 1285.3190852184.

Adding to 2123405162 its reverse (2615043212), we get a palindrome (4738448374).

The spelling of 2123405162 in words is "two billion, one hundred twenty-three million, four hundred five thousand, one hundred sixty-two".