2123406175 has 12 divisors (see below), whose sum is σ = 2872389816. Its totient is φ = 1544295200.

The previous prime is 2123406139. The next prime is 2123406191. The reversal of 2123406175 is 5716043212.

It is not a de Polignac number, because 2123406175 - 2¹⁵ = 2123373407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3860464 + ... + 3861013.

It is an arithmetic number, because the mean of its divisors is an integer number (239365818).

Almost surely, 2^2123406175 is an apocalyptic number.

2123406175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2123406175 is a deficient number, since it is larger than the sum of its proper divisors (748983641).

2123406175 is a wasteful number, since it uses less digits than its factorization.

2123406175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721498 (or 7721493 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2123406175 is about 46080.4315843504. The cubic root of 2123406175 is about 1285.3192896115.

Adding to 2123406175 its reverse (5716043212), we get a palindrome (7839449387).

The spelling of 2123406175 in words is "two billion, one hundred twenty-three million, four hundred six thousand, one hundred seventy-five".