23650436121 has 24 divisors (see below), whose sum is σ = 34614002016. Its totient is φ = 14354720640.

The previous prime is 23650436119. The next prime is 23650436179. The reversal of 23650436121 is 12163405632.

It is not a de Polignac number, because 23650436121 - 2¹ = 23650436119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23650436101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282495 + ... + 356516.

It is an arithmetic number, because the mean of its divisors is an integer number (1442250084).

Almost surely, 2^23650436121 is an apocalyptic number.

It is an amenable number.

23650436121 is a deficient number, since it is larger than the sum of its proper divisors (10963565895).

23650436121 is a wasteful number, since it uses less digits than its factorization.

23650436121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639113 (or 639100 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 23650436121 in words is "twenty-three billion, six hundred fifty million, four hundred thirty-six thousand, one hundred twenty-one".