20144113423 has 8 divisors (see below), whose sum is σ = 23036776448. Its totient is φ = 17255183544.

The previous prime is 20144113421. The next prime is 20144113523. The reversal of 20144113423 is 32431144102.

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 20144113423 - 2¹ = 20144113421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144113421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921711 + ... + 943312.

It is an arithmetic number, because the mean of its divisors is an integer number (2879597056).

Almost surely, 2^20144113423 is an apocalyptic number.

20144113423 is a deficient number, since it is larger than the sum of its proper divisors (2892663025).

20144113423 is a wasteful number, since it uses less digits than its factorization.

20144113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866573.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20144113423 its reverse (32431144102), we get a palindrome (52575257525).

The spelling of 20144113423 in words is "twenty billion, one hundred forty-four million, one hundred thirteen thousand, four hundred twenty-three".