20122051423 has 16 divisors (see below), whose sum is σ = 21704140800. Its totient is φ = 18600611040.

The previous prime is 20122051409. The next prime is 20122051489. The reversal of 20122051423 is 32415022102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20122051423 - 2¹³ = 20122043231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122051394 and 20122051403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122051823) 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, 507813 + ... + 546001.

It is an arithmetic number, because the mean of its divisors is an integer number (1356508800).

Almost surely, 2^20122051423 is an apocalyptic number.

20122051423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20122051423 is a deficient number, since it is larger than the sum of its proper divisors (1582089377).

20122051423 is a wasteful number, since it uses less digits than its factorization.

20122051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38982.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20122051423 its reverse (32415022102), we get a palindrome (52537073525).

The spelling of 20122051423 in words is "twenty billion, one hundred twenty-two million, fifty-one thousand, four hundred twenty-three".