13123473660 has 576 divisors, whose sum is σ = 48846067200. Its totient is φ = 2916777600.

The previous prime is 13123473637. The next prime is 13123473661. The reversal of 13123473660 is 6637432131.

13123473660 is a `hidden beast` number, since 1 + 3 + 123 + 473 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123473661) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 423337845 + ... + 423337875.

It is an arithmetic number, because the mean of its divisors is an integer number (84802200).

Almost surely, 2^13123473660 is an apocalyptic number.

13123473660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13123473660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24423033600).

13123473660 is an abundant number, since it is smaller than the sum of its proper divisors (35722593540).

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

13123473660 is a wasteful number, since it uses less digits than its factorization.

13123473660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 13123473660 in words is "thirteen billion, one hundred twenty-three million, four hundred seventy-three thousand, six hundred sixty".