2140533423 has 24 divisors (see below), whose sum is σ = 3535079808. Its totient is φ = 1222642512.

The previous prime is 2140533401. The next prime is 2140533443. The reversal of 2140533423 is 3243350412.

It is not a de Polignac number, because 2140533423 - 2⁵ = 2140533391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140533443) 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, 180936 + ... + 192402.

It is an arithmetic number, because the mean of its divisors is an integer number (147294992).

Almost surely, 2^2140533423 is an apocalyptic number.

2140533423 is a deficient number, since it is larger than the sum of its proper divisors (1394546385).

2140533423 is a wasteful number, since it uses less digits than its factorization.

2140533423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443 (or 14440 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2140533423 is about 46265.8991374857. The cubic root of 2140533423 is about 1288.7658053312.

Adding to 2140533423 its reverse (3243350412), we get a palindrome (5383883835).

The spelling of 2140533423 in words is "two billion, one hundred forty million, five hundred thirty-three thousand, four hundred twenty-three".