187428227083123 has 16 divisors (see below), whose sum is σ = 213740683027200. Its totient is φ = 162817101490176.

The previous prime is 187428227083087. The next prime is 187428227083147. The reversal of 187428227083123 is 321380722824781.

It is a cyclic number.

It is not a de Polignac number, because 187428227083123 - 2⁹ = 187428227082611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (187428227083193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40704198 + ... + 45074251.

It is an arithmetic number, because the mean of its divisors is an integer number (13358792689200).

Almost surely, 2^{187428227083123} is an apocalyptic number.

187428227083123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

187428227083123 is a deficient number, since it is larger than the sum of its proper divisors (26312455944077).

187428227083123 is a wasteful number, since it uses less digits than its factorization.

187428227083123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85788366.

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 187428227083123 in words is "one hundred eighty-seven trillion, four hundred twenty-eight billion, two hundred twenty-seven million, eighty-three thousand, one hundred twenty-three".