23423403300340 has 48 divisors (see below), whose sum is σ = 49802120121600. Its totient is φ = 9253164511872.

The previous prime is 23423403300329. The next prime is 23423403300347. The reversal of 23423403300340 is 4300330432432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423403300347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16830220 + ... + 18168739.

It is an arithmetic number, because the mean of its divisors is an integer number (1037544169200).

Almost surely, 2^{23423403300340} is an apocalyptic number.

23423403300340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423403300340 is an abundant number, since it is smaller than the sum of its proper divisors (26378716821260).

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

23423403300340 is a wasteful number, since it uses less digits than its factorization.

23423403300340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34999384 (or 34999382 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 23423403300340 its reverse (4300330432432), we get a palindrome (27723733732772).

The spelling of 23423403300340 in words is "twenty-three trillion, four hundred twenty-three billion, four hundred three million, three hundred thousand, three hundred forty".