23550242121 has 24 divisors (see below), whose sum is σ = 39424155264. Its totient is φ = 13267739520.

The previous prime is 23550242101. The next prime is 23550242159. The reversal of 23550242121 is 12124205532.

23550242121 is a `hidden beast` number, since 2 + 35 + 502 + 4 + 2 + 121 = 666.

It is not a de Polignac number, because 23550242121 - 2⁶ = 23550242057 is a prime.

It is a super-2 number, since 2×23550242121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23550242101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2628016 + ... + 2636961.

It is an arithmetic number, because the mean of its divisors is an integer number (1642673136).

Almost surely, 2^23550242121 is an apocalyptic number.

23550242121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23550242121 is a deficient number, since it is larger than the sum of its proper divisors (15873913143).

23550242121 is a wasteful number, since it uses less digits than its factorization.

23550242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265061 (or 5265058 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23550242121 its reverse (12124205532), we get a palindrome (35674447653).

The spelling of 23550242121 in words is "twenty-three billion, five hundred fifty million, two hundred forty-two thousand, one hundred twenty-one".