881006863123 has 4 divisors (see below), whose sum is σ = 881490138048. Its totient is φ = 880523588200.

The previous prime is 881006863081. The next prime is 881006863127. The reversal of 881006863123 is 321368600188.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881006863123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881006863127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241634728 + ... + 241638373.

It is an arithmetic number, because the mean of its divisors is an integer number (220372534512).

Almost surely, 2^881006863123 is an apocalyptic number.

881006863123 is a deficient number, since it is larger than the sum of its proper divisors (483274925).

881006863123 is a wasteful number, since it uses less digits than its factorization.

881006863123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483274924.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 881006863123 in words is "eight hundred eighty-one billion, six million, eight hundred sixty-three thousand, one hundred twenty-three".