23150155445501 has 12 divisors (see below), whose sum is σ = 26933020423452. Its totient is φ = 19840597293888.

The previous prime is 23150155445491. The next prime is 23150155445519. The reversal of 23150155445501 is 10554455105132.

It can be written as a sum of positive squares in 2 ways, for example, as 15447454605625 + 7702700839876 = 3930325^2 + 2775374^2 .

It is not a de Polignac number, because 23150155445501 - 2³⁰ = 23149081703677 is a prime.

It is a super-2 number, since 2×23150155445501² (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 (23150155445101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28078640 + ... + 28891353.

It is an arithmetic number, because the mean of its divisors is an integer number (2244418368621).

Almost surely, 2^{23150155445501} is an apocalyptic number.

It is an amenable number.

23150155445501 is a deficient number, since it is larger than the sum of its proper divisors (3782864977951).

23150155445501 is an equidigital number, since it uses as much as digits as its factorization.

23150155445501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56978300 (or 56978293 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 23150155445501 in words is "twenty-three trillion, one hundred fifty billion, one hundred fifty-five million, four hundred forty-five thousand, five hundred one".