133423044000 has 192 divisors, whose sum is σ = 438085065600. Its totient is φ = 35498803200.

The previous prime is 133423043969. The next prime is 133423044011. The reversal of 133423044000 is 440324331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5375619 + ... + 5400381.

It is an arithmetic number, because the mean of its divisors is an integer number (2281693050).

Almost surely, 2^133423044000 is an apocalyptic number.

133423044000 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 133423044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219042532800).

133423044000 is an abundant number, since it is smaller than the sum of its proper divisors (304662021600).

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

133423044000 is a wasteful number, since it uses less digits than its factorization.

133423044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25240 (or 25222 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 133423044000 its reverse (440324331), we get a palindrome (133863368331).

The spelling of 133423044000 in words is "one hundred thirty-three billion, four hundred twenty-three million, forty-four thousand".