23081157344 has 24 divisors (see below), whose sum is σ = 51932604528. Its totient is φ = 9891924480.

The previous prime is 23081157311. The next prime is 23081157347. The reversal of 23081157344 is 44375118032.

It is a junction number, because it is equal to n+sod(n) for n = 23081157298 and 23081157307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081157347) 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 3 ways as a sum of consecutive naturals, for example, 51520217 + ... + 51520664.

It is an arithmetic number, because the mean of its divisors is an integer number (2163858522).

Almost surely, 2^23081157344 is an apocalyptic number.

It is an amenable number.

23081157344 is an abundant number, since it is smaller than the sum of its proper divisors (28851447184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23081157344 is a wasteful number, since it uses less digits than its factorization.

23081157344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103040898 (or 103040890 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 23081157344 in words is "twenty-three billion, eighty-one million, one hundred fifty-seven thousand, three hundred forty-four".