23081332281 has 8 divisors (see below), whose sum is σ = 35171553984. Its totient is φ = 13189332720.

The previous prime is 23081332273. The next prime is 23081332289. The reversal of 23081332281 is 18223318032.

It is an interprime number because it is at equal distance from previous prime (23081332273) and next prime (23081332289).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23081332281 - 2³ = 23081332273 is a prime.

It is a super-2 number, since 2×23081332281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23081332289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549555510 + ... + 549555551.

It is an arithmetic number, because the mean of its divisors is an integer number (4396444248).

Almost surely, 2^23081332281 is an apocalyptic number.

23081332281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23081332281 is a deficient number, since it is larger than the sum of its proper divisors (12090221703).

23081332281 is a wasteful number, since it uses less digits than its factorization.

23081332281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099111071.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 23081332281 in words is "twenty-three billion, eighty-one million, three hundred thirty-two thousand, two hundred eighty-one".