233142234021 has 24 divisors (see below), whose sum is σ = 338678855424. Its totient is φ = 154543286880.

The previous prime is 233142234019. The next prime is 233142234023. The reversal of 233142234021 is 120432241332.

233142234021 is a `hidden beast` number, since 2 + 3 + 31 + 4 + 223 + 402 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (233142234019) and next prime (233142234023).

It is not a de Polignac number, because 233142234021 - 2¹ = 233142234019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233142234023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16685380 + ... + 16699346.

It is an arithmetic number, because the mean of its divisors is an integer number (14111618976).

Almost surely, 2^233142234021 is an apocalyptic number.

It is an amenable number.

233142234021 is a deficient number, since it is larger than the sum of its proper divisors (105536621403).

233142234021 is a wasteful number, since it uses less digits than its factorization.

233142234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401 (or 24398 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 233142234021 its reverse (120432241332), we get a palindrome (353574475353).

The spelling of 233142234021 in words is "two hundred thirty-three billion, one hundred forty-two million, two hundred thirty-four thousand, twenty-one".