71123237623 has 2 divisors, whose sum is σ = 71123237624. Its totient is φ = 71123237622.

The previous prime is 71123237579. The next prime is 71123237677. The reversal of 71123237623 is 32673232117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71123237623 - 2³³ = 62533303031 is a prime.

It is a super-3 number, since 3×71123237623³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71123237683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35561618811 + 35561618812.

It is an arithmetic number, because the mean of its divisors is an integer number (35561618812).

Almost surely, 2^71123237623 is an apocalyptic number.

71123237623 is a deficient number, since it is larger than the sum of its proper divisors (1).

71123237623 is an equidigital number, since it uses as much as digits as its factorization.

71123237623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The spelling of 71123237623 in words is "seventy-one billion, one hundred twenty-three million, two hundred thirty-seven thousand, six hundred twenty-three".