923938539247 has 2 divisors, whose sum is σ = 923938539248. Its totient is φ = 923938539246.

The previous prime is 923938539191. The next prime is 923938539259. The reversal of 923938539247 is 742935839329.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 923938539247 - 2³⁵ = 889578800879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923938539347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461969269623 + 461969269624.

It is an arithmetic number, because the mean of its divisors is an integer number (461969269624).

Almost surely, 2^923938539247 is an apocalyptic number.

923938539247 is a deficient number, since it is larger than the sum of its proper divisors (1).

923938539247 is an equidigital number, since it uses as much as digits as its factorization.

923938539247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 64.

The spelling of 923938539247 in words is "nine hundred twenty-three billion, nine hundred thirty-eight million, five hundred thirty-nine thousand, two hundred forty-seven".