15423199326480 has 320 divisors, whose sum is σ = 55897201778688. Its totient is φ = 3479734241280.

The previous prime is 15423199326433. The next prime is 15423199326497. The reversal of 15423199326480 is 8462399132451.

It is a self number, because there is not a number n which added to its sum of digits gives 15423199326480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1185864 + ... + 5679143.

Almost surely, 2^{15423199326480} is an apocalyptic number.

15423199326480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15423199326480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27948600889344).

15423199326480 is an abundant number, since it is smaller than the sum of its proper divisors (40474002452208).

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

15423199326480 is a wasteful number, since it uses less digits than its factorization.

15423199326480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865094 (or 6865088 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 15423199326480 in words is "fifteen trillion, four hundred twenty-three billion, one hundred ninety-nine million, three hundred twenty-six thousand, four hundred eighty".