23110312243420 has 48 divisors (see below), whose sum is σ = 49725901719648. Its totient is φ = 9017217457920.

The previous prime is 23110312243409. The next prime is 23110312243423. The reversal of 23110312243420 is 2434221301132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110312243423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17098291 + ... + 18400330.

It is an arithmetic number, because the mean of its divisors is an integer number (1035956285826).

Almost surely, 2^{23110312243420} is an apocalyptic number.

23110312243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110312243420 is an abundant number, since it is smaller than the sum of its proper divisors (26615589476228).

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

23110312243420 is a wasteful number, since it uses less digits than its factorization.

23110312243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35499430 (or 35499428 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 23110312243420 its reverse (2434221301132), we get a palindrome (25544533544552).

The spelling of 23110312243420 in words is "twenty-three trillion, one hundred ten billion, three hundred twelve million, two hundred forty-three thousand, four hundred twenty".