23430140344 has 32 divisors (see below), whose sum is σ = 47744928000. Its totient is φ = 10714695552.

The previous prime is 23430140303. The next prime is 23430140347. The reversal of 23430140344 is 44304103432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430140347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022104 + ... + 1044775.

It is an arithmetic number, because the mean of its divisors is an integer number (1492029000).

Almost surely, 2^23430140344 is an apocalyptic number.

It is an amenable number.

23430140344 is an abundant number, since it is smaller than the sum of its proper divisors (24314787656).

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

23430140344 is a wasteful number, since it uses less digits than its factorization.

23430140344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067007 (or 2067003 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23430140344 its reverse (44304103432), we get a palindrome (67734243776).

The spelling of 23430140344 in words is "twenty-three billion, four hundred thirty million, one hundred forty thousand, three hundred forty-four".