15245839423 has 2 divisors, whose sum is σ = 15245839424. Its totient is φ = 15245839422.

The previous prime is 15245839421. The next prime is 15245839447. The reversal of 15245839423 is 32493854251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15245839423 - 2¹ = 15245839421 is a prime.

Together with 15245839421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15245839421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622919711 + 7622919712.

It is an arithmetic number, because the mean of its divisors is an integer number (7622919712).

Almost surely, 2^15245839423 is an apocalyptic number.

15245839423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15245839423 is an equidigital number, since it uses as much as digits as its factorization.

15245839423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 15245839423 in words is "fifteen billion, two hundred forty-five million, eight hundred thirty-nine thousand, four hundred twenty-three".