233141021421 has 36 divisors (see below), whose sum is σ = 397468312416. Its totient is φ = 121112209680.

The previous prime is 233141021383. The next prime is 233141021423. The reversal of 233141021421 is 124120141332.

233141021421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233141021421 - 2⁹ = 233141020909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233141021391 and 233141021400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233141021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6535905 + ... + 6571478.

It is an arithmetic number, because the mean of its divisors is an integer number (11040786456).

Almost surely, 2^233141021421 is an apocalyptic number.

233141021421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

233141021421 is a deficient number, since it is larger than the sum of its proper divisors (164327290995).

233141021421 is a wasteful number, since it uses less digits than its factorization.

233141021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107422 (or 13107404 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 233141021421 its reverse (124120141332), we get a palindrome (357261162753).

It can be divided in two parts, 23314 and 1021421, that added together give a triangular number (1044735 = T₁₄₄₅).

The spelling of 233141021421 in words is "two hundred thirty-three billion, one hundred forty-one million, twenty-one thousand, four hundred twenty-one".