23145234514405 has 8 divisors (see below), whose sum is σ = 27780877092384. Its totient is φ = 18511790494800.

The previous prime is 23145234514397. The next prime is 23145234514433. The reversal of 23145234514405 is 50441543254132.

It is a happy number.

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

It is not a de Polignac number, because 23145234514405 - 2³ = 23145234514397 is a prime.

It is a Duffinian number.

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, 549616431 + ... + 549658540.

It is an arithmetic number, because the mean of its divisors is an integer number (3472609636548).

Almost surely, 2^{23145234514405} is an apocalyptic number.

It is an amenable number.

23145234514405 is a deficient number, since it is larger than the sum of its proper divisors (4635642577979).

23145234514405 is a wasteful number, since it uses less digits than its factorization.

23145234514405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099279187.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 23145234514405 its reverse (50441543254132), we get a palindrome (73586777768537).

The spelling of 23145234514405 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-four million, five hundred fourteen thousand, four hundred five".