1423725847 has 2 divisors, whose sum is σ = 1423725848. Its totient is φ = 1423725846.

The previous prime is 1423725839. The next prime is 1423725851. The reversal of 1423725847 is 7485273241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423725847 - 2³ = 1423725839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423725857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711862923 + 711862924.

It is an arithmetic number, because the mean of its divisors is an integer number (711862924).

Almost surely, 2^1423725847 is an apocalyptic number.

1423725847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423725847 is an equidigital number, since it uses as much as digits as its factorization.

1423725847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 43.

The square root of 1423725847 is about 37732.2918333885. The cubic root of 1423725847 is about 1124.9730619393.

The spelling of 1423725847 in words is "one billion, four hundred twenty-three million, seven hundred twenty-five thousand, eight hundred forty-seven".