23043232440140 has 24 divisors (see below), whose sum is σ = 52789950681552. Its totient is φ = 8379357250880.

The previous prime is 23043232440131. The next prime is 23043232440143. The reversal of 23043232440140 is 4104423234032.

It is a super-2 number, since 2×23043232440140² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23043232440097 and 23043232440106.

It is not an unprimeable number, because it can be changed into a prime (23043232440143) 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, 52370982599 + ... + 52370983038.

It is an arithmetic number, because the mean of its divisors is an integer number (2199581278398).

Almost surely, 2^{23043232440140} is an apocalyptic number.

23043232440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043232440140 is an abundant number, since it is smaller than the sum of its proper divisors (29746718241412).

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

23043232440140 is a wasteful number, since it uses less digits than its factorization.

23043232440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104741965657 (or 104741965655 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23043232440140 its reverse (4104423234032), we get a palindrome (27147655674172).

The spelling of 23043232440140 in words is "twenty-three trillion, forty-three billion, two hundred thirty-two million, four hundred forty thousand, one hundred forty".