20122401423 has 4 divisors (see below), whose sum is σ = 26829868568. Its totient is φ = 13414934280.

The previous prime is 20122401367. The next prime is 20122401433. The reversal of 20122401423 is 32410422102.

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

It is not a de Polignac number, because 20122401423 - 2⁶ = 20122401359 is a prime.

It is a super-2 number, since 2×20122401423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122401423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122401433) 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, 3353733568 + ... + 3353733573.

It is an arithmetic number, because the mean of its divisors is an integer number (6707467142).

Almost surely, 2^20122401423 is an apocalyptic number.

20122401423 is a deficient number, since it is larger than the sum of its proper divisors (6707467145).

20122401423 is an equidigital number, since it uses as much as digits as its factorization.

20122401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707467144.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20122401423 its reverse (32410422102), we get a palindrome (52532823525).

The spelling of 20122401423 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, four hundred twenty-three".