23330133120021 has 64 divisors (see below), whose sum is σ = 40398902476800. Its totient is φ = 11629814340096.

The previous prime is 23330133120017. The next prime is 23330133120037. The reversal of 23330133120021 is 12002133103332.

It is not a de Polignac number, because 23330133120021 - 2² = 23330133120017 is a prime.

It is a super-2 number, since 2×23330133120021² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23330133119973 and 23330133120000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330133120001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3377061 + ... + 7620026.

It is an arithmetic number, because the mean of its divisors is an integer number (631232851200).

Almost surely, 2^{23330133120021} is an apocalyptic number.

23330133120021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23330133120021 is a deficient number, since it is larger than the sum of its proper divisors (17068769356779).

23330133120021 is a wasteful number, since it uses less digits than its factorization.

23330133120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997538.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 23330133120021 its reverse (12002133103332), we get a palindrome (35332266223353).

The spelling of 23330133120021 in words is "twenty-three trillion, three hundred thirty billion, one hundred thirty-three million, one hundred twenty thousand, twenty-one".