381470023 has 4 divisors (see below), whose sum is σ = 416149128. Its totient is φ = 346790920.

The previous prime is 381470003. The next prime is 381470029. The reversal of 381470023 is 320074183.

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 381470023 - 2²¹ = 379372871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381469973 and 381470000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381470029) 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, 17339536 + ... + 17339557.

It is an arithmetic number, because the mean of its divisors is an integer number (104037282).

Almost surely, 2^381470023 is an apocalyptic number.

381470023 is a deficient number, since it is larger than the sum of its proper divisors (34679105).

381470023 is a wasteful number, since it uses less digits than its factorization.

381470023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34679104.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 381470023 is about 19531.2575887985. The cubic root of 381470023 is about 725.2484431138.

It can be divided in two parts, 3814 and 70023, that added together give a palindrome (73837).

The spelling of 381470023 in words is "three hundred eighty-one million, four hundred seventy thousand, twenty-three".