3123432647 has 2 divisors, whose sum is σ = 3123432648. Its totient is φ = 3123432646.

The previous prime is 3123432583. The next prime is 3123432673. The reversal of 3123432647 is 7462343213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123432647 - 2⁶ = 3123432583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123432547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561716323 + 1561716324.

It is an arithmetic number, because the mean of its divisors is an integer number (1561716324).

Almost surely, 2^3123432647 is an apocalyptic number.

3123432647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123432647 is an equidigital number, since it uses as much as digits as its factorization.

3123432647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 3123432647 is about 55887.6788478462. The cubic root of 3123432647 is about 1461.7644032724.

The spelling of 3123432647 in words is "three billion, one hundred twenty-three million, four hundred thirty-two thousand, six hundred forty-seven".