23093578140 has 24 divisors (see below), whose sum is σ = 64662018960. Its totient is φ = 6158287488.

The previous prime is 23093578129. The next prime is 23093578147. The reversal of 23093578140 is 4187539032.

It is a junction number, because it is equal to n+sod(n) for n = 23093578092 and 23093578101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23093578147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192446425 + ... + 192446544.

It is an arithmetic number, because the mean of its divisors is an integer number (2694250790).

Almost surely, 2^23093578140 is an apocalyptic number.

23093578140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23093578140 is an abundant number, since it is smaller than the sum of its proper divisors (41568440820).

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

23093578140 is a wasteful number, since it uses less digits than its factorization.

23093578140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384892981 (or 384892979 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 23093578140 in words is "twenty-three billion, ninety-three million, five hundred seventy-eight thousand, one hundred forty".