23151344444140 has 48 divisors (see below), whose sum is σ = 53038009090080. Its totient is φ = 8418609812480.

The previous prime is 23151344444113. The next prime is 23151344444141. The reversal of 23151344444140 is 4144444315132.

It is a junction number, because it is equal to n+sod(n) for n = 23151344444093 and 23151344444102.

It is not an unprimeable number, because it can be changed into a prime (23151344444141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39651846 + ... + 40231474.

It is an arithmetic number, because the mean of its divisors is an integer number (1104958522710).

Almost surely, 2^{23151344444140} is an apocalyptic number.

23151344444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23151344444140 is an abundant number, since it is smaller than the sum of its proper divisors (29886664645940).

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

23151344444140 is a wasteful number, since it uses less digits than its factorization.

23151344444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761202 (or 761200 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 23151344444140 its reverse (4144444315132), we get a palindrome (27295788759272).

The spelling of 23151344444140 in words is "twenty-three trillion, one hundred fifty-one billion, three hundred forty-four million, four hundred forty-four thousand, one hundred forty".