3212423947 has 2 divisors, whose sum is σ = 3212423948. Its totient is φ = 3212423946.

The previous prime is 3212423941. The next prime is 3212423957. The reversal of 3212423947 is 7493242123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212423947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212423941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606211973 + 1606211974.

It is an arithmetic number, because the mean of its divisors is an integer number (1606211974).

Almost surely, 2^3212423947 is an apocalyptic number.

3212423947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212423947 is an equidigital number, since it uses as much as digits as its factorization.

3212423947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 3212423947 is about 56678.2493289975. The cubic root of 3212423947 is about 1475.5172288516.

The spelling of 3212423947 in words is "three billion, two hundred twelve million, four hundred twenty-three thousand, nine hundred forty-seven".