20425714423 has 4 divisors (see below), whose sum is σ = 20426191288. Its totient is φ = 20425237560.

The previous prime is 20425714409. The next prime is 20425714427. The reversal of 20425714423 is 32441752402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20425714423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425714427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167061 + ... + 262222.

It is an arithmetic number, because the mean of its divisors is an integer number (5106547822).

Almost surely, 2^20425714423 is an apocalyptic number.

20425714423 is a deficient number, since it is larger than the sum of its proper divisors (476865).

20425714423 is an equidigital number, since it uses as much as digits as its factorization.

20425714423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476864.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 20425714423 in words is "twenty billion, four hundred twenty-five million, seven hundred fourteen thousand, four hundred twenty-three".