133023012426361 has 4 divisors (see below), whose sum is σ = 133023066374772. Its totient is φ = 133022958477952.

The previous prime is 133023012426341. The next prime is 133023012426383. The reversal of 133023012426361 is 163624210320331.

It is a happy number.

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 100905641232400 + 32117371193961 = 10045180^2 + 5667219^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023012426361 - 2²⁵ = 133022978871929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133023012426361.

It is not an unprimeable number, because it can be changed into a prime (133023012426341) 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, 23089060 + ... + 28269253.

It is an arithmetic number, because the mean of its divisors is an integer number (33255766593693).

Almost surely, 2^{133023012426361} is an apocalyptic number.

It is an amenable number.

133023012426361 is a deficient number, since it is larger than the sum of its proper divisors (53948411).

133023012426361 is an equidigital number, since it uses as much as digits as its factorization.

133023012426361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53948410.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 133023012426361 its reverse (163624210320331), we get a palindrome (296647222746692).

The spelling of 133023012426361 in words is "one hundred thirty-three trillion, twenty-three billion, twelve million, four hundred twenty-six thousand, three hundred sixty-one".