123234340302 has 128 divisors (see below), whose sum is σ = 284619878400. Its totient is φ = 39491971200.

The previous prime is 123234340289. The next prime is 123234340303. The reversal of 123234340302 is 203043432321.

123234340302 is a `hidden beast` number, since 1 + 2 + 323 + 4 + 34 + 0 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123234340303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124353027 + ... + 124354017.

It is an arithmetic number, because the mean of its divisors is an integer number (2223592800).

Almost surely, 2^123234340302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123234340302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142309939200).

123234340302 is an abundant number, since it is smaller than the sum of its proper divisors (161385538098).

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

123234340302 is a wasteful number, since it uses less digits than its factorization.

123234340302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 123234340302 its reverse (203043432321), we get a palindrome (326277772623).

The spelling of 123234340302 in words is "one hundred twenty-three billion, two hundred thirty-four million, three hundred forty thousand, three hundred two".