863234140427 has 4 divisors (see below), whose sum is σ = 900766059600. Its totient is φ = 825702221256.

The previous prime is 863234140397. The next prime is 863234140481. The reversal of 863234140427 is 724041432368.

863234140427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 863234140427 - 2¹⁴ = 863234124043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863234140487) 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, 18765959552 + ... + 18765959597.

It is an arithmetic number, because the mean of its divisors is an integer number (225191514900).

Almost surely, 2^863234140427 is an apocalyptic number.

863234140427 is a deficient number, since it is larger than the sum of its proper divisors (37531919173).

863234140427 is a wasteful number, since it uses less digits than its factorization.

863234140427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37531919172.

The product of its (nonzero) digits is 774144, while the sum is 44.

It can be divided in two parts, 8632341 and 40427, that added together give a palindrome (8672768).

The spelling of 863234140427 in words is "eight hundred sixty-three billion, two hundred thirty-four million, one hundred forty thousand, four hundred twenty-seven".