20314423573 has 2 divisors, whose sum is σ = 20314423574. Its totient is φ = 20314423572.

The previous prime is 20314423541. The next prime is 20314423603. The reversal of 20314423573 is 37532441302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19263496849 + 1050926724 = 138793^2 + 32418^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314423573 - 2⁵ = 20314423541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20314423523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157211786 + 10157211787.

It is an arithmetic number, because the mean of its divisors is an integer number (10157211787).

Almost surely, 2^20314423573 is an apocalyptic number.

It is an amenable number.

20314423573 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314423573 is an equidigital number, since it uses as much as digits as its factorization.

20314423573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 20314423573 its reverse (37532441302), we get a palindrome (57846864875).

The spelling of 20314423573 in words is "twenty billion, three hundred fourteen million, four hundred twenty-three thousand, five hundred seventy-three".