7961432123 has 2 divisors, whose sum is σ = 7961432124. Its totient is φ = 7961432122.

The previous prime is 7961432119. The next prime is 7961432159. The reversal of 7961432123 is 3212341697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7961432123 - 2² = 7961432119 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7961432113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980716061 + 3980716062.

It is an arithmetic number, because the mean of its divisors is an integer number (3980716062).

Almost surely, 2^7961432123 is an apocalyptic number.

7961432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961432123 is an equidigital number, since it uses as much as digits as its factorization.

7961432123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 7961432123 is about 89226.8576326657. The cubic root of 7961432123 is about 1996.7808315071.

The spelling of 7961432123 in words is "seven billion, nine hundred sixty-one million, four hundred thirty-two thousand, one hundred twenty-three".