71501230623 has 8 divisors (see below), whose sum is σ = 95347829808. Its totient is φ = 47661059264.

The previous prime is 71501230621. The next prime is 71501230627. The reversal of 71501230623 is 32603210517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71501230623 - 2¹ = 71501230621 is a prime.

It is a super-2 number, since 2×71501230623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71501230621) 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, 1580940 + ... + 1625537.

It is an arithmetic number, because the mean of its divisors is an integer number (11918478726).

Almost surely, 2^71501230623 is an apocalyptic number.

71501230623 is a deficient number, since it is larger than the sum of its proper divisors (23846599185).

71501230623 is a wasteful number, since it uses less digits than its factorization.

71501230623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213913.

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 71501230623 in words is "seventy-one billion, five hundred one million, two hundred thirty thousand, six hundred twenty-three".