20123004151 has 2 divisors, whose sum is σ = 20123004152. Its totient is φ = 20123004150.

The previous prime is 20123004029. The next prime is 20123004191. The reversal of 20123004151 is 15140032102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20123004151 - 2⁹ = 20123003639 is a prime.

It is a super-2 number, since 2×20123004151² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123004191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061502075 + 10061502076.

It is an arithmetic number, because the mean of its divisors is an integer number (10061502076).

Almost surely, 2^20123004151 is an apocalyptic number.

20123004151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123004151 is an equidigital number, since it uses as much as digits as its factorization.

20123004151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20123004151 its reverse (15140032102), we get a palindrome (35263036253).

The spelling of 20123004151 in words is "twenty billion, one hundred twenty-three million, four thousand, one hundred fifty-one".