2133513423 has 24 divisors (see below), whose sum is σ = 3122591472. Its totient is φ = 1403530368.

The previous prime is 2133513409. The next prime is 2133513449. The reversal of 2133513423 is 3243153312.

It is not a de Polignac number, because 2133513423 - 2⁵ = 2133513391 is a prime.

It is a super-2 number, since 2×2133513423² = 9103759052242353858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133513323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114315 + ... + 1116227.

It is an arithmetic number, because the mean of its divisors is an integer number (130107978).

Almost surely, 2^2133513423 is an apocalyptic number.

2133513423 is a deficient number, since it is larger than the sum of its proper divisors (989078049).

2133513423 is a wasteful number, since it uses less digits than its factorization.

2133513423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3492 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 2133513423 is about 46189.9710218571. The cubic root of 2133513423 is about 1287.3554023427.

Adding to 2133513423 its reverse (3243153312), we get a palindrome (5376666735).

The spelling of 2133513423 in words is "two billion, one hundred thirty-three million, five hundred thirteen thousand, four hundred twenty-three".