23350440220212 has 24 divisors (see below), whose sum is σ = 62267840587456. Its totient is φ = 6671554348608.

The previous prime is 23350440220147. The next prime is 23350440220213. The reversal of 23350440220212 is 21202204405332.

It is a self number, because there is not a number n which added to its sum of digits gives 23350440220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23350440220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138990715513 + ... + 138990715680.

Almost surely, 2^{23350440220212} is an apocalyptic number.

It is an amenable number.

23350440220212 is an abundant number, since it is smaller than the sum of its proper divisors (38917400367244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23350440220212 is a wasteful number, since it uses less digits than its factorization.

23350440220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277981431207 (or 277981431205 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 23350440220212 its reverse (21202204405332), we get a palindrome (44552644625544).

The spelling of 23350440220212 in words is "twenty-three trillion, three hundred fifty billion, four hundred forty million, two hundred twenty thousand, two hundred twelve".