381957023 has 8 divisors (see below), whose sum is σ = 436698240. Its totient is φ = 327259800.

The previous prime is 381957013. The next prime is 381957029. The reversal of 381957023 is 320759183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381957023 - 2¹⁶ = 381891487 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 (381957029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10388 + ... + 29526.

It is an arithmetic number, because the mean of its divisors is an integer number (54587280).

Almost surely, 2^381957023 is an apocalyptic number.

381957023 is a deficient number, since it is larger than the sum of its proper divisors (54741217).

381957023 is a wasteful number, since it uses less digits than its factorization.

381957023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 381957023 is about 19543.7208074614. The cubic root of 381957023 is about 725.5569389986.

The spelling of 381957023 in words is "three hundred eighty-one million, nine hundred fifty-seven thousand, twenty-three".