233421005551044 has 12 divisors (see below), whose sum is σ = 544649012952464. Its totient is φ = 77807001850344.

The previous prime is 233421005551043. The next prime is 233421005551057. The reversal of 233421005551044 is 440155500124332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×233421005551044⁴ (a number of 59 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233421005550993 and 233421005551011.

It is not an unprimeable number, because it can be changed into a prime (233421005551043) 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, 9725875231282 + ... + 9725875231305.

Almost surely, 2^{233421005551044} is an apocalyptic number.

It is an amenable number.

233421005551044 is an abundant number, since it is smaller than the sum of its proper divisors (311228007401420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233421005551044 is a wasteful number, since it uses less digits than its factorization.

233421005551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451750462594 (or 19451750462592 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 233421005551044 its reverse (440155500124332), we get a palindrome (673576505675376).

The spelling of 233421005551044 in words is "two hundred thirty-three trillion, four hundred twenty-one billion, five million, five hundred fifty-one thousand, forty-four".