1234233204421 has 16 divisors (see below), whose sum is σ = 1411461918720. Its totient is φ = 1057232159280.

The previous prime is 1234233204409. The next prime is 1234233204439. The reversal of 1234233204421 is 1244023324321.

It is a cyclic number.

It is not a de Polignac number, because 1234233204421 - 2¹⁹ = 1234232680133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234233208421) 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, 95618650 + ... + 95631556.

It is an arithmetic number, because the mean of its divisors is an integer number (88216369920).

Almost surely, 2^{1234233204421} is an apocalyptic number.

It is an amenable number.

1234233204421 is a deficient number, since it is larger than the sum of its proper divisors (177228714299).

1234233204421 is a wasteful number, since it uses less digits than its factorization.

1234233204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1234233204421 its reverse (1244023324321), we get a palindrome (2478256528742).

The spelling of 1234233204421 in words is "one trillion, two hundred thirty-four billion, two hundred thirty-three million, two hundred four thousand, four hundred twenty-one".