20310011423 has 16 divisors (see below), whose sum is σ = 22038752736. Its totient is φ = 18605583360.

The previous prime is 20310011419. The next prime is 20310011459. The reversal of 20310011423 is 32411001302.

It is not a de Polignac number, because 20310011423 - 2² = 20310011419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310011123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918983 + ... + 940823.

It is an arithmetic number, because the mean of its divisors is an integer number (1377422046).

Almost surely, 2^20310011423 is an apocalyptic number.

20310011423 is a deficient number, since it is larger than the sum of its proper divisors (1728741313).

20310011423 is a wasteful number, since it uses less digits than its factorization.

20310011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22394.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20310011423 its reverse (32411001302), we get a palindrome (52721012725).

The spelling of 20310011423 in words is "twenty billion, three hundred ten million, eleven thousand, four hundred twenty-three".