233099999999921 has 8 divisors (see below), whose sum is σ = 234647657215488. Its totient is φ = 231552394740000.

The previous prime is 233099999999879. The next prime is 233099999999929. The reversal of 233099999999921 is 129999999990332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233099999999921 - 2²⁶ = 233099932891057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233099999999929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965345 + ... + 21952766.

It is an arithmetic number, because the mean of its divisors is an integer number (29330957151936).

Almost surely, 2^{233099999999921} is an apocalyptic number.

It is an amenable number.

233099999999921 is a deficient number, since it is larger than the sum of its proper divisors (1547657215567).

233099999999921 is a wasteful number, since it uses less digits than its factorization.

233099999999921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25977823.

The product of its (nonzero) digits is 13947137604, while the sum is 92.

The spelling of 233099999999921 in words is "two hundred thirty-three trillion, ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred twenty-one".