23401144401212 has 12 divisors (see below), whose sum is σ = 40952669918160. Its totient is φ = 11700381567456.

The previous prime is 23401144401211. The next prime is 23401144401277. The reversal of 23401144401212 is 21210444110432.

It is a super-2 number, since 2×23401144401212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401144401211) 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, 47381912 + ... + 47873247.

It is an arithmetic number, because the mean of its divisors is an integer number (3412722493180).

Almost surely, 2^{23401144401212} is an apocalyptic number.

It is an amenable number.

23401144401212 is a deficient number, since it is larger than the sum of its proper divisors (17551525516948).

23401144401212 is a wasteful number, since it uses less digits than its factorization.

23401144401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95316580 (or 95316578 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 23401144401212 its reverse (21210444110432), we get a palindrome (44611588511644).

The spelling of 23401144401212 in words is "twenty-three trillion, four hundred one billion, one hundred forty-four million, four hundred one thousand, two hundred twelve".