38427451456231 has 4 divisors (see below), whose sum is σ = 38427975214200. Its totient is φ = 38426927698264.

The previous prime is 38427451456213. The next prime is 38427451456237. The reversal of 38427451456231 is 13265415472483.

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 38427451456231 - 2²³ = 38427443067623 is a prime.

It is a super-2 number, since 2×38427451456231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38427451456237) 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, 261768916 + ... + 261915673.

It is an arithmetic number, because the mean of its divisors is an integer number (9606993803550).

Almost surely, 2^{38427451456231} is an apocalyptic number.

38427451456231 is a deficient number, since it is larger than the sum of its proper divisors (523757969).

38427451456231 is an equidigital number, since it uses as much as digits as its factorization.

38427451456231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523757968.

The product of its digits is 19353600, while the sum is 55.

The spelling of 38427451456231 in words is "thirty-eight trillion, four hundred twenty-seven billion, four hundred fifty-one million, four hundred fifty-six thousand, two hundred thirty-one".