155688423328 has 12 divisors (see below), whose sum is σ = 306511583490. Its totient is φ = 77844211648.

The previous prime is 155688423307. The next prime is 155688423329. The reversal of 155688423328 is 823324886551.

155688423328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 149499769104 + 6188654224 = 386652^2 + 78668^2 .

It is not an unprimeable number, because it can be changed into a prime (155688423329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432631583 + ... + 2432631646.

Almost surely, 2^155688423328 is an apocalyptic number.

It is an amenable number.

155688423328 is a deficient number, since it is larger than the sum of its proper divisors (150823160162).

155688423328 is an equidigital number, since it uses as much as digits as its factorization.

155688423328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865263239 (or 4865263231 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 55.

The spelling of 155688423328 in words is "one hundred fifty-five billion, six hundred eighty-eight million, four hundred twenty-three thousand, three hundred twenty-eight".