71523030352042 has 16 divisors (see below), whose sum is σ = 107741641641120. Its totient is φ = 35609398566768.

The previous prime is 71523030352009. The next prime is 71523030352043. The reversal of 71523030352042 is 24025303032517.

It is a junction number, because it is equal to n+sod(n) for n = 71523030351992 and 71523030352010.

It is not an unprimeable number, because it can be changed into a prime (71523030352043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61614792 + ... + 62764867.

It is an arithmetic number, because the mean of its divisors is an integer number (6733852602570).

Almost surely, 2^{71523030352042} is an apocalyptic number.

71523030352042 is a deficient number, since it is larger than the sum of its proper divisors (36218611289078).

71523030352042 is a wasteful number, since it uses less digits than its factorization.

71523030352042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124380885.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 71523030352042 its reverse (24025303032517), we get a palindrome (95548333384559).

The spelling of 71523030352042 in words is "seventy-one trillion, five hundred twenty-three billion, thirty million, three hundred fifty-two thousand, forty-two".