23403536673660 has 576 divisors, whose sum is σ = 86227004666880. Its totient is φ = 5234799398400.

The previous prime is 23403536673619. The next prime is 23403536673683. The reversal of 23403536673660 is 6637663530432.

23403536673660 is a `hidden beast` number, since 2 + 3 + 40 + 3 + 536 + 6 + 7 + 3 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 23403536673597 and 23403536673606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2465861515 + ... + 2465871005.

It is an arithmetic number, because the mean of its divisors is an integer number (149699660880).

Almost surely, 2^{23403536673660} is an apocalyptic number.

23403536673660 is a gapful number since it is divisible by the number (20) 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 23403536673660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43113502333440).

23403536673660 is an abundant number, since it is smaller than the sum of its proper divisors (62823467993220).

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

23403536673660 is a wasteful number, since it uses less digits than its factorization.

23403536673660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447 (or 12428 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 54.

The spelling of 23403536673660 in words is "twenty-three trillion, four hundred three billion, five hundred thirty-six million, six hundred seventy-three thousand, six hundred sixty".