23353505200121 has 4 divisors (see below), whose sum is σ = 23510240134500. Its totient is φ = 23196770265744.

The previous prime is 23353505200093. The next prime is 23353505200231. The reversal of 23353505200121 is 12100250535332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4174711190521 + 19178794009600 = 2043211^2 + 4379360^2 .

It is a cyclic number.

It is not a de Polignac number, because 23353505200121 - 2⁶ = 23353505200057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23353505202121) 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, 78367466966 + ... + 78367467263.

It is an arithmetic number, because the mean of its divisors is an integer number (5877560033625).

Almost surely, 2^{23353505200121} is an apocalyptic number.

It is an amenable number.

23353505200121 is a deficient number, since it is larger than the sum of its proper divisors (156734934379).

23353505200121 is a wasteful number, since it uses less digits than its factorization.

23353505200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156734934378.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 23353505200121 its reverse (12100250535332), we get a palindrome (35453755735453).

The spelling of 23353505200121 in words is "twenty-three trillion, three hundred fifty-three billion, five hundred five million, two hundred thousand, one hundred twenty-one".