201423310231110 has 128 divisors (see below), whose sum is σ = 529386208243200. Its totient is φ = 48642816384000.

The previous prime is 201423310231069. The next prime is 201423310231127. The reversal of 201423310231110 is 11132013324102.

It is a super-2 number, since 2×201423310231110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 118124085 + ... + 119817135.

It is an arithmetic number, because the mean of its divisors is an integer number (4135829751900).

Almost surely, 2^{201423310231110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201423310231110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264693104121600).

201423310231110 is an abundant number, since it is smaller than the sum of its proper divisors (327962898012090).

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

201423310231110 is a wasteful number, since it uses less digits than its factorization.

201423310231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694454.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 201423310231110 its reverse (11132013324102), we get a palindrome (212555323555212).

The spelling of 201423310231110 in words is "two hundred one trillion, four hundred twenty-three billion, three hundred ten million, two hundred thirty-one thousand, one hundred ten".