23140543205332 has 24 divisors (see below), whose sum is σ = 46281240605376. Its totient is φ = 9917342617728.

The previous prime is 23140543205293. The next prime is 23140543205341. The reversal of 23140543205332 is 23350234504132.

It is a junction number, because it is equal to n+sod(n) for n = 23140543205291 and 23140543205300.

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, 8394003 + ... + 10804645.

It is an arithmetic number, because the mean of its divisors is an integer number (1928385025224).

Almost surely, 2^{23140543205332} is an apocalyptic number.

It is an amenable number.

23140543205332 is an abundant number, since it is smaller than the sum of its proper divisors (23140697400044).

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

23140543205332 is a wasteful number, since it uses less digits than its factorization.

23140543205332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753487 (or 2753485 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 23140543205332 its reverse (23350234504132), we get a palindrome (46490777709464).

The spelling of 23140543205332 in words is "twenty-three trillion, one hundred forty billion, five hundred forty-three million, two hundred five thousand, three hundred thirty-two".