75238007623 has 4 divisors (see below), whose sum is σ = 75550198768. Its totient is φ = 74925816480.

The previous prime is 75238007591. The next prime is 75238007683. The reversal of 75238007623 is 32670083257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75238007623 - 2⁵ = 75238007591 is a prime.

It is a super-2 number, since 2×75238007623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75238007623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75238007683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156095211 + ... + 156095692.

It is an arithmetic number, because the mean of its divisors is an integer number (18887549692).

Almost surely, 2^75238007623 is an apocalyptic number.

75238007623 is a deficient number, since it is larger than the sum of its proper divisors (312191145).

75238007623 is a wasteful number, since it uses less digits than its factorization.

75238007623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312191144.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 75238007623 in words is "seventy-five billion, two hundred thirty-eight million, seven thousand, six hundred twenty-three".