23145240143344 has 40 divisors (see below), whose sum is σ = 48921496538112. Its totient is φ = 10520375459520.

The previous prime is 23145240143339. The next prime is 23145240143371. The reversal of 23145240143344 is 44334104254132.

It is a junction number, because it is equal to n+sod(n) for n = 23145240143297 and 23145240143306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933937 + ... + 11229679.

Almost surely, 2^{23145240143344} is an apocalyptic number.

It is an amenable number.

23145240143344 is an abundant number, since it is smaller than the sum of its proper divisors (25776256394768).

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

23145240143344 is a wasteful number, since it uses less digits than its factorization.

23145240143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353045 (or 2353039 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 23145240143344 its reverse (44334104254132), we get a palindrome (67479344397476).

The spelling of 23145240143344 in words is "twenty-three trillion, one hundred forty-five billion, two hundred forty million, one hundred forty-three thousand, three hundred forty-four".