381952264123 has 4 divisors (see below), whose sum is σ = 381972107560. Its totient is φ = 381932420688.

The previous prime is 381952264073. The next prime is 381952264139. The reversal of 381952264123 is 321462259183.

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 381952264123 - 2³⁷ = 244513310651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381952264423) 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, 9892818 + ... + 9931351.

It is an arithmetic number, because the mean of its divisors is an integer number (95493026890).

Almost surely, 2^381952264123 is an apocalyptic number.

381952264123 is a deficient number, since it is larger than the sum of its proper divisors (19843437).

381952264123 is a wasteful number, since it uses less digits than its factorization.

381952264123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19843436.

The product of its digits is 622080, while the sum is 46.

The spelling of 381952264123 in words is "three hundred eighty-one billion, nine hundred fifty-two million, two hundred sixty-four thousand, one hundred twenty-three".