23145155155055 has 8 divisors (see below), whose sum is σ = 27774677504400. Its totient is φ = 18515796578496.

The previous prime is 23145155154959. The next prime is 23145155155061. The reversal of 23145155155055 is 55055155154132.

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 23145155155055 - 2²⁸ = 23144886719599 is a prime.

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, 40632065 + ... + 41197754.

It is an arithmetic number, because the mean of its divisors is an integer number (3471834688050).

Almost surely, 2^{23145155155055} is an apocalyptic number.

23145155155055 is a deficient number, since it is larger than the sum of its proper divisors (4629522349345).

23145155155055 is an equidigital number, since it uses as much as digits as its factorization.

23145155155055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81886393.

The product of its (nonzero) digits is 1875000, while the sum is 47.

The spelling of 23145155155055 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred fifty-five thousand, fifty-five".