23164104775540 has 12 divisors (see below), whose sum is σ = 48644620028676. Its totient is φ = 9265641910208.

The previous prime is 23164104775439. The next prime is 23164104775547. The reversal of 23164104775540 is 4557740146132.

It can be written as a sum of positive squares in 2 ways, for example, as 8809902549904 + 14354202225636 = 2968148^2 + 3788694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164104775547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579102619369 + ... + 579102619408.

It is an arithmetic number, because the mean of its divisors is an integer number (4053718335723).

Almost surely, 2^{23164104775540} is an apocalyptic number.

23164104775540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23164104775540 is an abundant number, since it is smaller than the sum of its proper divisors (25480515253136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23164104775540 is a wasteful number, since it uses less digits than its factorization.

23164104775540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158205238786 (or 1158205238784 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 23164104775540 in words is "twenty-three trillion, one hundred sixty-four billion, one hundred four million, seven hundred seventy-five thousand, five hundred forty".