32447438923 has 2 divisors, whose sum is σ = 32447438924. Its totient is φ = 32447438922.

The previous prime is 32447438867. The next prime is 32447438999. The reversal of 32447438923 is 32983474423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32447438923 - 2¹³ = 32447430731 is a prime.

It is not a weakly prime, because it can be changed into another prime (32447438123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16223719461 + 16223719462.

It is an arithmetic number, because the mean of its divisors is an integer number (16223719462).

Almost surely, 2^32447438923 is an apocalyptic number.

32447438923 is a deficient number, since it is larger than the sum of its proper divisors (1).

32447438923 is an equidigital number, since it uses as much as digits as its factorization.

32447438923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 49.

The spelling of 32447438923 in words is "thirty-two billion, four hundred forty-seven million, four hundred thirty-eight thousand, nine hundred twenty-three".