133021010623243 has 16 divisors (see below), whose sum is σ = 141912053468640. Its totient is φ = 124249116059136.

The previous prime is 133021010623231. The next prime is 133021010623271. The reversal of 133021010623243 is 342326010120331.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133021010623243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021010623273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4188496 + ... + 16839997.

It is an arithmetic number, because the mean of its divisors is an integer number (8869503341790).

Almost surely, 2^{133021010623243} is an apocalyptic number.

133021010623243 is a deficient number, since it is larger than the sum of its proper divisors (8891042845397).

133021010623243 is a wasteful number, since it uses less digits than its factorization.

133021010623243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21031326.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 133021010623243 its reverse (342326010120331), we get a palindrome (475347020743574).

The spelling of 133021010623243 in words is "one hundred thirty-three trillion, twenty-one billion, ten million, six hundred twenty-three thousand, two hundred forty-three".