188484061523 has 4 divisors (see below), whose sum is σ = 188828639880. Its totient is φ = 188139483168.

The previous prime is 188484061511. The next prime is 188484061541. The reversal of 188484061523 is 325160484881.

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 188484061523 - 2¹² = 188484057427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188484061823) 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, 172288358 + ... + 172289451.

It is an arithmetic number, because the mean of its divisors is an integer number (47207159970).

Almost surely, 2^188484061523 is an apocalyptic number.

188484061523 is a deficient number, since it is larger than the sum of its proper divisors (344578357).

188484061523 is an equidigital number, since it uses as much as digits as its factorization.

188484061523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344578356.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 188484061523 in words is "one hundred eighty-eight billion, four hundred eighty-four million, sixty-one thousand, five hundred twenty-three".