133123112244401 has 4 divisors (see below), whose sum is σ = 133123894585332. Its totient is φ = 133122329903472.

The previous prime is 133123112244379. The next prime is 133123112244497. The reversal of 133123112244401 is 104442211321331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126116291482801 + 7006820761600 = 11230151^2 + 2647040^2 .

It is a cyclic number.

It is not a de Polignac number, because 133123112244401 - 2⁶ = 133123112244337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133123112244301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390915170 + ... + 391255563.

It is an arithmetic number, because the mean of its divisors is an integer number (33280973646333).

Almost surely, 2^{133123112244401} is an apocalyptic number.

It is an amenable number.

133123112244401 is a deficient number, since it is larger than the sum of its proper divisors (782340931).

133123112244401 is an equidigital number, since it uses as much as digits as its factorization.

133123112244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782340930.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 133123112244401 its reverse (104442211321331), we get a palindrome (237565323565732).

The spelling of 133123112244401 in words is "one hundred thirty-three trillion, one hundred twenty-three billion, one hundred twelve million, two hundred forty-four thousand, four hundred one".