388042142223 has 4 divisors (see below), whose sum is σ = 517389522968. Its totient is φ = 258694761480.

The previous prime is 388042142221. The next prime is 388042142227. The reversal of 388042142223 is 322241240883.

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

It is not a de Polignac number, because 388042142223 - 2¹ = 388042142221 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 (388042142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64673690368 + ... + 64673690373.

It is an arithmetic number, because the mean of its divisors is an integer number (129347380742).

Almost surely, 2^388042142223 is an apocalyptic number.

388042142223 is a deficient number, since it is larger than the sum of its proper divisors (129347380745).

388042142223 is a wasteful number, since it uses less digits than its factorization.

388042142223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129347380744.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 388042142223 in words is "three hundred eighty-eight billion, forty-two million, one hundred forty-two thousand, two hundred twenty-three".