23443244430342 has 128 divisors (see below), whose sum is σ = 55446598656000. Its totient is φ = 6532299146880.

The previous prime is 23443244430341. The next prime is 23443244430343. The reversal of 23443244430342 is 24303444234432.

It is an interprime number because it is at equal distance from previous prime (23443244430341) and next prime (23443244430343).

It is a super-2 number, since 2×23443244430342² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23443244430294 and 23443244430303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443244430341) 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, 3839448 + ... + 7850340.

It is an arithmetic number, because the mean of its divisors is an integer number (433176552000).

Almost surely, 2^{23443244430342} is an apocalyptic number.

23443244430342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23443244430342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27723299328000).

23443244430342 is an abundant number, since it is smaller than the sum of its proper divisors (32003354225658).

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

23443244430342 is a wasteful number, since it uses less digits than its factorization.

23443244430342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011066.

The product of its (nonzero) digits is 2654208, while the sum is 42.

Adding to 23443244430342 its reverse (24303444234432), we get a palindrome (47746688664774).

The spelling of 23443244430342 in words is "twenty-three trillion, four hundred forty-three billion, two hundred forty-four million, four hundred thirty thousand, three hundred forty-two".