23115450525431 has 8 divisors (see below), whose sum is σ = 25222013053200. Its totient is φ = 21009747653440.

The previous prime is 23115450525397. The next prime is 23115450525463. The reversal of 23115450525431 is 13452505451132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23115450525431 - 2³⁰ = 23114376783607 is a prime.

It is a super-2 number, since 2×23115450525431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115450525031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214857716 + ... + 214965273.

It is an arithmetic number, because the mean of its divisors is an integer number (3152751631650).

Almost surely, 2^{23115450525431} is an apocalyptic number.

23115450525431 is a deficient number, since it is larger than the sum of its proper divisors (2106562527769).

23115450525431 is a wasteful number, since it uses less digits than its factorization.

23115450525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429827889.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 23115450525431 its reverse (13452505451132), we get a palindrome (36567955976563).

The spelling of 23115450525431 in words is "twenty-three trillion, one hundred fifteen billion, four hundred fifty million, five hundred twenty-five thousand, four hundred thirty-one".