233213323133021 has 32 divisors (see below), whose sum is σ = 291252572328960. Its totient is φ = 181416554035200.

The previous prime is 233213323133017. The next prime is 233213323133069. The reversal of 233213323133021 is 120331323312332.

It is a happy number.

It is not a de Polignac number, because 233213323133021 - 2² = 233213323133017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233213323133071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367837130 + ... + 368470596.

It is an arithmetic number, because the mean of its divisors is an integer number (9101642885280).

Almost surely, 2^{233213323133021} is an apocalyptic number.

It is an amenable number.

233213323133021 is a deficient number, since it is larger than the sum of its proper divisors (58039249195939).

233213323133021 is a wasteful number, since it uses less digits than its factorization.

233213323133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641585.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 233213323133021 its reverse (120331323312332), we get a palindrome (353544646445353).

The spelling of 233213323133021 in words is "two hundred thirty-three trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred thirty-three thousand, twenty-one".