15052021223 has 2 divisors, whose sum is σ = 15052021224. Its totient is φ = 15052021222.

The previous prime is 15052021099. The next prime is 15052021247. The reversal of 15052021223 is 32212025051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15052021223 - 2²² = 15047826919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15052021423) 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, 7526010611 + 7526010612.

It is an arithmetic number, because the mean of its divisors is an integer number (7526010612).

Almost surely, 2^15052021223 is an apocalyptic number.

15052021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052021223 is an equidigital number, since it uses as much as digits as its factorization.

15052021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 15052021223 its reverse (32212025051), we get a palindrome (47264046274).

The spelling of 15052021223 in words is "fifteen billion, fifty-two million, twenty-one thousand, two hundred twenty-three".