20032140423 has 8 divisors (see below), whose sum is σ = 26750425968. Its totient is φ = 13334307584.

The previous prime is 20032140409. The next prime is 20032140461. The reversal of 20032140423 is 32404123002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20032140423 - 2¹⁰ = 20032139399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20032140423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032140223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110890 + ... + 5114807.

It is an arithmetic number, because the mean of its divisors is an integer number (3343803246).

Almost surely, 2^20032140423 is an apocalyptic number.

20032140423 is a deficient number, since it is larger than the sum of its proper divisors (6718285545).

20032140423 is a wasteful number, since it uses less digits than its factorization.

20032140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226353.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20032140423 its reverse (32404123002), we get a palindrome (52436263425).

The spelling of 20032140423 in words is "twenty billion, thirty-two million, one hundred forty thousand, four hundred twenty-three".