123444142430 has 32 divisors (see below), whose sum is σ = 259847875584. Its totient is φ = 41339432736.

The previous prime is 123444142417. The next prime is 123444142477. The reversal of 123444142430 is 34241444321.

123444142430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20502662 + ... + 20508681.

It is an arithmetic number, because the mean of its divisors is an integer number (8120246112).

Almost surely, 2^123444142430 is an apocalyptic number.

123444142430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123444142430 is an abundant number, since it is smaller than the sum of its proper divisors (136403733154).

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

123444142430 is a wasteful number, since it uses less digits than its factorization.

123444142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011400.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 123444142430 its reverse (34241444321), we get a palindrome (157685586751).

The spelling of 123444142430 in words is "one hundred twenty-three billion, four hundred forty-four million, one hundred forty-two thousand, four hundred thirty".