385623963123 has 32 divisors (see below), whose sum is σ = 588499591680. Its totient is φ = 220026032640.

The previous prime is 385623963119. The next prime is 385623963133. The reversal of 385623963123 is 321369326583.

It is not a de Polignac number, because 385623963123 - 2² = 385623963119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385623963103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44376363 + ... + 44385051.

It is an arithmetic number, because the mean of its divisors is an integer number (18390612240).

Almost surely, 2^385623963123 is an apocalyptic number.

385623963123 is a deficient number, since it is larger than the sum of its proper divisors (202875628557).

385623963123 is a wasteful number, since it uses less digits than its factorization.

385623963123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11627.

The product of its digits is 4199040, while the sum is 51.

The spelling of 385623963123 in words is "three hundred eighty-five billion, six hundred twenty-three million, nine hundred sixty-three thousand, one hundred twenty-three".