15234243239 has 2 divisors, whose sum is σ = 15234243240. Its totient is φ = 15234243238.

The previous prime is 15234243229. The next prime is 15234243289. The reversal of 15234243239 is 93234243251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15234243239 - 2¹² = 15234239143 is a prime.

It is a super-2 number, since 2×15234243239² (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 (15234243229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617121619 + 7617121620.

It is an arithmetic number, because the mean of its divisors is an integer number (7617121620).

Almost surely, 2^15234243239 is an apocalyptic number.

15234243239 is a deficient number, since it is larger than the sum of its proper divisors (1).

15234243239 is an equidigital number, since it uses as much as digits as its factorization.

15234243239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The spelling of 15234243239 in words is "fifteen billion, two hundred thirty-four million, two hundred forty-three thousand, two hundred thirty-nine".