23155041040140 has 48 divisors (see below), whose sum is σ = 66415434795360. Its totient is φ = 6024075717120.

The previous prime is 23155041040133. The next prime is 23155041040141. The reversal of 23155041040140 is 4104014055132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23155041040098 and 23155041040107.

It is not an unprimeable number, because it can be changed into a prime (23155041040141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4706306695 + ... + 4706311614.

It is an arithmetic number, because the mean of its divisors is an integer number (1383654891570).

Almost surely, 2^{23155041040140} is an apocalyptic number.

23155041040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23155041040140 is an abundant number, since it is smaller than the sum of its proper divisors (43260393755220).

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

23155041040140 is a wasteful number, since it uses less digits than its factorization.

23155041040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412618362 (or 9412618360 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 23155041040140 its reverse (4104014055132), we get a palindrome (27259055095272).

The spelling of 23155041040140 in words is "twenty-three trillion, one hundred fifty-five billion, forty-one million, forty thousand, one hundred forty".