133123434330 has 32 divisors (see below), whose sum is σ = 319511231424. Its totient is φ = 35497917056.

The previous prime is 133123434253. The next prime is 133123434341. The reversal of 133123434330 is 33434321331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631174 + ... + 815246.

It is an arithmetic number, because the mean of its divisors is an integer number (9984725982).

Almost surely, 2^133123434330 is an apocalyptic number.

133123434330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133123434330 is an abundant number, since it is smaller than the sum of its proper divisors (186387797094).

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

133123434330 is a wasteful number, since it uses less digits than its factorization.

133123434330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208190.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 133123434330 its reverse (33434321331), we get a palindrome (166557755661).

The spelling of 133123434330 in words is "one hundred thirty-three billion, one hundred twenty-three million, four hundred thirty-four thousand, three hundred thirty".