133123123001 has 8 divisors (see below), whose sum is σ = 145227880800. Its totient is φ = 121018807840.

The previous prime is 133123122989. The next prime is 133123123013. The reversal of 133123123001 is 100321321331.

It is an interprime number because it is at equal distance from previous prime (133123122989) and next prime (133123123013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133123123001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133123153001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024730 + ... + 1147308.

It is an arithmetic number, because the mean of its divisors is an integer number (18153485100).

Almost surely, 2^133123123001 is an apocalyptic number.

133123123001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133123123001 is a deficient number, since it is larger than the sum of its proper divisors (12104757799).

133123123001 is a wasteful number, since it uses less digits than its factorization.

133123123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221319.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133123123001 its reverse (100321321331), we get a palindrome (233444444332).

It can be divided in two parts, 13312 and 3123001, that added together give a palindrome (3136313).

The spelling of 133123123001 in words is "one hundred thirty-three billion, one hundred twenty-three million, one hundred twenty-three thousand, one".