75206412823 has 4 divisors (see below), whose sum is σ = 75207453048. Its totient is φ = 75205372600.

The previous prime is 75206412763. The next prime is 75206412839. The reversal of 75206412823 is 32821460257.

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 75206412823 - 2⁹ = 75206412311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75206412623) 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, 402853 + ... + 559198.

It is an arithmetic number, because the mean of its divisors is an integer number (18801863262).

Almost surely, 2^75206412823 is an apocalyptic number.

75206412823 is a deficient number, since it is larger than the sum of its proper divisors (1040225).

75206412823 is an equidigital number, since it uses as much as digits as its factorization.

75206412823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040224.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 75206412823 in words is "seventy-five billion, two hundred six million, four hundred twelve thousand, eight hundred twenty-three".