20152052423 has 2 divisors, whose sum is σ = 20152052424. Its totient is φ = 20152052422.

The previous prime is 20152052381. The next prime is 20152052471. The reversal of 20152052423 is 32425025102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20152052423 - 2¹² = 20152048327 is a prime.

It is a super-2 number, since 2×20152052423² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152052392 and 20152052401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20152012423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076026211 + 10076026212.

It is an arithmetic number, because the mean of its divisors is an integer number (10076026212).

Almost surely, 2^20152052423 is an apocalyptic number.

20152052423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20152052423 is an equidigital number, since it uses as much as digits as its factorization.

20152052423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20152052423 its reverse (32425025102), we get a palindrome (52577077525).

The spelling of 20152052423 in words is "twenty billion, one hundred fifty-two million, fifty-two thousand, four hundred twenty-three".