2123113434 has 16 divisors (see below), whose sum is σ = 4572859872. Its totient is φ = 653265648.

The previous prime is 2123113381. The next prime is 2123113441. The reversal of 2123113434 is 4343113212.

It is a happy number.

It is a super-2 number, since 2×2123113434² = 9015221307262544712, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 13609624 + ... + 13609779.

It is an arithmetic number, because the mean of its divisors is an integer number (285803742).

Almost surely, 2^2123113434 is an apocalyptic number.

2123113434 is an abundant number, since it is smaller than the sum of its proper divisors (2449746438).

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

2123113434 is a wasteful number, since it uses less digits than its factorization.

2123113434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27219421.

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

The square root of 2123113434 is about 46077.2550614726. The cubic root of 2123113434 is about 1285.2602205316.

Adding to 2123113434 its reverse (4343113212), we get a palindrome (6466226646).

The spelling of 2123113434 in words is "two billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred thirty-four".