71960423 has 2 divisors, whose sum is σ = 71960424. Its totient is φ = 71960422.

The previous prime is 71960387. The next prime is 71960443. The reversal of 71960423 is 32406917.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71960423 - 2¹² = 71956327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71960423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71960443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35980211 + 35980212.

It is an arithmetic number, because the mean of its divisors is an integer number (35980212).

Almost surely, 2^71960423 is an apocalyptic number.

71960423 is a deficient number, since it is larger than the sum of its proper divisors (1).

71960423 is an equidigital number, since it uses as much as digits as its factorization.

71960423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 71960423 is about 8482.9489565834. The cubic root of 71960423 is about 415.9405251975.

The spelling of 71960423 in words is "seventy-one million, nine hundred sixty thousand, four hundred twenty-three".