187050639423 has 4 divisors (see below), whose sum is σ = 249400852568. Its totient is φ = 124700426280.

The previous prime is 187050639359. The next prime is 187050639467. The reversal of 187050639423 is 324936050781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324936050781 = 3 ⋅108312016927.

It is not a de Polignac number, because 187050639423 - 2⁶ = 187050639359 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 (187050639623) 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, 31175106568 + ... + 31175106573.

It is an arithmetic number, because the mean of its divisors is an integer number (62350213142).

It is a 1-persistent number, because it is pandigital, but 2⋅187050639423 = 374101278846 is not.

Almost surely, 2^187050639423 is an apocalyptic number.

187050639423 is a deficient number, since it is larger than the sum of its proper divisors (62350213145).

187050639423 is an equidigital number, since it uses as much as digits as its factorization.

187050639423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62350213144.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 187050639423 in words is "one hundred eighty-seven billion, fifty million, six hundred thirty-nine thousand, four hundred twenty-three".