23115431243132 has 48 divisors (see below), whose sum is σ = 43352344772352. Its totient is φ = 10745609521920.

The previous prime is 23115431243117. The next prime is 23115431243167. The reversal of 23115431243132 is 23134213451132.

It is a happy number.

It is a super-3 number, since 3×23115431243132³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23115431243092 and 23115431243101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52172657 + ... + 52613847.

It is an arithmetic number, because the mean of its divisors is an integer number (903173849424).

Almost surely, 2^{23115431243132} is an apocalyptic number.

It is an amenable number.

23115431243132 is a deficient number, since it is larger than the sum of its proper divisors (20236913529220).

23115431243132 is a wasteful number, since it uses less digits than its factorization.

23115431243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450578 (or 450576 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 23115431243132 its reverse (23134213451132), we get a palindrome (46249644694264).

The spelling of 23115431243132 in words is "twenty-three trillion, one hundred fifteen billion, four hundred thirty-one million, two hundred forty-three thousand, one hundred thirty-two".