21233132604233 has 16 divisors (see below), whose sum is σ = 24928036467840. Its totient is φ = 17869560172800.

The previous prime is 21233132604209. The next prime is 21233132604251. The reversal of 21233132604233 is 33240623133212.

It is not a de Polignac number, because 21233132604233 - 2¹² = 21233132600137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21233132604193 and 21233132604202.

It is not an unprimeable number, because it can be changed into a prime (21233132604263) 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, 930694853 + ... + 930717666.

It is an arithmetic number, because the mean of its divisors is an integer number (1558002279240).

Almost surely, 2^{21233132604233} is an apocalyptic number.

It is an amenable number.

21233132604233 is a deficient number, since it is larger than the sum of its proper divisors (3694903863607).

21233132604233 is a wasteful number, since it uses less digits than its factorization.

21233132604233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861412608.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 21233132604233 its reverse (33240623133212), we get a palindrome (54473755737445).

The spelling of 21233132604233 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirty-two million, six hundred four thousand, two hundred thirty-three".