233154244021 has 4 divisors (see below), whose sum is σ = 233291476000. Its totient is φ = 233017012044.

The previous prime is 233154244007. The next prime is 233154244031. The reversal of 233154244021 is 120442451332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233154244021 - 2⁷ = 233154243893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233154244031) 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, 68613441 + ... + 68616838.

It is an arithmetic number, because the mean of its divisors is an integer number (58322869000).

Almost surely, 2^233154244021 is an apocalyptic number.

It is an amenable number.

233154244021 is a deficient number, since it is larger than the sum of its proper divisors (137231979).

233154244021 is a wasteful number, since it uses less digits than its factorization.

233154244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137231978.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 233154244021 its reverse (120442451332), we get a palindrome (353596695353).

The spelling of 233154244021 in words is "two hundred thirty-three billion, one hundred fifty-four million, two hundred forty-four thousand, twenty-one".