23541133020321 has 48 divisors (see below), whose sum is σ = 36974797574400. Its totient is φ = 13282501800960.

The previous prime is 23541133020233. The next prime is 23541133020413. The reversal of 23541133020321 is 12302033114532.

It is not a de Polignac number, because 23541133020321 - 2³⁴ = 23523953151137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23541133020521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4230355 + ... + 8060903.

It is an arithmetic number, because the mean of its divisors is an integer number (770308282800).

Almost surely, 2^{23541133020321} is an apocalyptic number.

23541133020321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23541133020321 is a deficient number, since it is larger than the sum of its proper divisors (13433664554079).

23541133020321 is a wasteful number, since it uses less digits than its factorization.

23541133020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831094 (or 3831087 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23541133020321 its reverse (12302033114532), we get a palindrome (35843166134853).

The spelling of 23541133020321 in words is "twenty-three trillion, five hundred forty-one billion, one hundred thirty-three million, twenty thousand, three hundred twenty-one".