328123019813478 has 32 divisors (see below), whose sum is σ = 690794022791040. Its totient is φ = 103616488042560.

The previous prime is 328123019813471. The next prime is 328123019813507. The reversal of 328123019813478 is 874318910321823.

It is a happy number.

It is a super-2 number, since 2×328123019813478² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328123019813471) 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, 9069775 + ... + 27175482.

It is an arithmetic number, because the mean of its divisors is an integer number (21587313212220).

Almost surely, 2^{328123019813478} is an apocalyptic number.

328123019813478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

328123019813478 is an abundant number, since it is smaller than the sum of its proper divisors (362671002977562).

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

328123019813478 is a wasteful number, since it uses less digits than its factorization.

328123019813478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36324692.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 328123019813478 in words is "three hundred twenty-eight trillion, one hundred twenty-three billion, nineteen million, eight hundred thirteen thousand, four hundred seventy-eight".