123344321430 has 32 divisors (see below), whose sum is σ = 322937860608. Its totient is φ = 29901653600.

The previous prime is 123344321393. The next prime is 123344321483. The reversal of 123344321430 is 34123443321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 186885006 + ... + 186885665.

It is an arithmetic number, because the mean of its divisors is an integer number (10091808144).

Almost surely, 2^123344321430 is an apocalyptic number.

123344321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123344321430 is an abundant number, since it is smaller than the sum of its proper divisors (199593539178).

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

123344321430 is a wasteful number, since it uses less digits than its factorization.

123344321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373770692.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 123344321430 its reverse (34123443321), we get a palindrome (157467764751).

The spelling of 123344321430 in words is "one hundred twenty-three billion, three hundred forty-four million, three hundred twenty-one thousand, four hundred thirty".