15423321122044 has 36 divisors (see below), whose sum is σ = 30261828207240. Its totient is φ = 6821124793920.

The previous prime is 15423321122003. The next prime is 15423321122087. The reversal of 15423321122044 is 44022112332451.

It is a super-2 number, since 2×15423321122044² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127963879 + ... + 128084350.

It is an arithmetic number, because the mean of its divisors is an integer number (840606339090).

Almost surely, 2^{15423321122044} is an apocalyptic number.

It is an amenable number.

15423321122044 is a deficient number, since it is larger than the sum of its proper divisors (14838507085196).

15423321122044 is a wasteful number, since it uses less digits than its factorization.

15423321122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256048318 (or 256048279 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 15423321122044 its reverse (44022112332451), we get a palindrome (59445433454495).

The spelling of 15423321122044 in words is "fifteen trillion, four hundred twenty-three billion, three hundred twenty-one million, one hundred twenty-two thousand, forty-four".