233121021297 has 16 divisors (see below), whose sum is σ = 311757569280. Its totient is φ = 154949533200.

The previous prime is 233121021269. The next prime is 233121021313. The reversal of 233121021297 is 792120121332.

It is a happy number.

It is not a de Polignac number, because 233121021297 - 2¹⁰ = 233121020273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233121021197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3343522 + ... + 3412532.

It is an arithmetic number, because the mean of its divisors is an integer number (19484848080).

Almost surely, 2^233121021297 is an apocalyptic number.

It is an amenable number.

233121021297 is a deficient number, since it is larger than the sum of its proper divisors (78636547983).

233121021297 is a wasteful number, since it uses less digits than its factorization.

233121021297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72364.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 233121021297 in words is "two hundred thirty-three billion, one hundred twenty-one million, twenty-one thousand, two hundred ninety-seven".