201423400112 has 20 divisors (see below), whose sum is σ = 425735823336. Its totient is φ = 91556090880.

The previous prime is 201423400111. The next prime is 201423400121. The reversal of 201423400112 is 211004324102.

201423400112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201423400112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201423400111) 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 3 ways as a sum of consecutive naturals, for example, 572225393 + ... + 572225744.

Almost surely, 2^201423400112 is an apocalyptic number.

201423400112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201423400112 is an abundant number, since it is smaller than the sum of its proper divisors (224312423224).

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

201423400112 is a wasteful number, since it uses less digits than its factorization.

201423400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144451156 (or 1144451150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201423400112 its reverse (211004324102), we get a palindrome (412427724214).

The spelling of 201423400112 in words is "two hundred one billion, four hundred twenty-three million, four hundred thousand, one hundred twelve".