123441023420 has 48 divisors (see below), whose sum is σ = 304545413088. Its totient is φ = 41434748160.

The previous prime is 123441023413. The next prime is 123441023423. The reversal of 123441023420 is 24320144321.

123441023420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 123441023420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441023423) 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, 21577739 + ... + 21583458.

It is an arithmetic number, because the mean of its divisors is an integer number (6344696106).

Almost surely, 2^123441023420 is an apocalyptic number.

123441023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123441023420 is an abundant number, since it is smaller than the sum of its proper divisors (181104389668).

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

123441023420 is a wasteful number, since it uses less digits than its factorization.

123441023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43161230 (or 43161228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123441023420 its reverse (24320144321), we get a palindrome (147761167741).

The spelling of 123441023420 in words is "one hundred twenty-three billion, four hundred forty-one million, twenty-three thousand, four hundred twenty".