23144015221534 has 8 divisors (see below), whose sum is σ = 34720532015400. Its totient is φ = 11570504549736.

The previous prime is 23144015221531. The next prime is 23144015221553. The reversal of 23144015221534 is 43512251044132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23144015221493 and 23144015221502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144015221531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751511269 + ... + 751542064.

It is an arithmetic number, because the mean of its divisors is an integer number (4340066501925).

Almost surely, 2^{23144015221534} is an apocalyptic number.

23144015221534 is a deficient number, since it is larger than the sum of its proper divisors (11576516793866).

23144015221534 is a wasteful number, since it uses less digits than its factorization.

23144015221534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503061034.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 23144015221534 its reverse (43512251044132), we get a palindrome (66656266265666).

The spelling of 23144015221534 in words is "twenty-three trillion, one hundred forty-four billion, fifteen million, two hundred twenty-one thousand, five hundred thirty-four".