133623422180 has 24 divisors (see below), whose sum is σ = 283387499640. Its totient is φ = 52920166400.

The previous prime is 133623422087. The next prime is 133623422183. The reversal of 133623422180 is 81224326331.

It can be written as a sum of positive squares in 4 ways, for example, as 36708260836 + 96915161344 = 191594^2 + 311312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133623422180.

It is not an unprimeable number, because it can be changed into a prime (133623422183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33073085 + ... + 33077124.

It is an arithmetic number, because the mean of its divisors is an integer number (11807812485).

Almost surely, 2^133623422180 is an apocalyptic number.

133623422180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133623422180 is an abundant number, since it is smaller than the sum of its proper divisors (149764077460).

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

133623422180 is a wasteful number, since it uses less digits than its factorization.

133623422180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66150319 (or 66150317 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 133623422180 in words is "one hundred thirty-three billion, six hundred twenty-three million, four hundred twenty-two thousand, one hundred eighty".