123210143430 has 128 divisors (see below), whose sum is σ = 325022616576. Its totient is φ = 29644147200.

The previous prime is 123210143417. The next prime is 123210143471. The reversal of 123210143430 is 34341012321.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 123210143430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47007520 + ... + 47010140.

It is an arithmetic number, because the mean of its divisors is an integer number (2539239192).

Almost surely, 2^123210143430 is an apocalyptic number.

123210143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123210143430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162511308288).

123210143430 is an abundant number, since it is smaller than the sum of its proper divisors (201812473146).

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

123210143430 is a wasteful number, since it uses less digits than its factorization.

123210143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123210143430 its reverse (34341012321), we get a palindrome (157551155751).

The spelling of 123210143430 in words is "one hundred twenty-three billion, two hundred ten million, one hundred forty-three thousand, four hundred thirty".