2135931123 has 16 divisors (see below), whose sum is σ = 2892600320. Its totient is φ = 1401640416.

The previous prime is 2135931103. The next prime is 2135931167. The reversal of 2135931123 is 3211395312.

It is not a de Polignac number, because 2135931123 - 2⁹ = 2135930611 is a prime.

It is a super-2 number, since 2×2135931123² = 9124403524400082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135931103) 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, 332286 + ... + 338652.

It is an arithmetic number, because the mean of its divisors is an integer number (180787520).

Almost surely, 2^2135931123 is an apocalyptic number.

2135931123 is a deficient number, since it is larger than the sum of its proper divisors (756669197).

2135931123 is a wasteful number, since it uses less digits than its factorization.

2135931123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106.

The product of its digits is 4860, while the sum is 30.

The square root of 2135931123 is about 46216.1348773348. The cubic root of 2135931123 is about 1287.8414963429.

The spelling of 2135931123 in words is "two billion, one hundred thirty-five million, nine hundred thirty-one thousand, one hundred twenty-three".