75506451223 has 4 divisors (see below), whose sum is σ = 86293087120. Its totient is φ = 64719815328.

The previous prime is 75506451211. The next prime is 75506451227. The reversal of 75506451223 is 32215460557.

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

It is not a de Polignac number, because 75506451223 - 2⁵ = 75506451191 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 (75506451227) 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, 5393317938 + ... + 5393317951.

It is an arithmetic number, because the mean of its divisors is an integer number (21573271780).

Almost surely, 2^75506451223 is an apocalyptic number.

75506451223 is a deficient number, since it is larger than the sum of its proper divisors (10786635897).

75506451223 is a wasteful number, since it uses less digits than its factorization.

75506451223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786635896.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 75506451223 in words is "seventy-five billion, five hundred six million, four hundred fifty-one thousand, two hundred twenty-three".