380423506251 has 4 divisors (see below), whose sum is σ = 507231341672. Its totient is φ = 253615670832.

The previous prime is 380423506247. The next prime is 380423506277. The reversal of 380423506251 is 152605324083.

It is a happy number.

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

It is not a de Polignac number, because 380423506251 - 2² = 380423506247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380423506201) 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, 63403917706 + ... + 63403917711.

It is an arithmetic number, because the mean of its divisors is an integer number (126807835418).

Almost surely, 2^380423506251 is an apocalyptic number.

380423506251 is a deficient number, since it is larger than the sum of its proper divisors (126807835421).

380423506251 is a wasteful number, since it uses less digits than its factorization.

380423506251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126807835420.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 380423506251 in words is "three hundred eighty billion, four hundred twenty-three million, five hundred six thousand, two hundred fifty-one".