23486528340 has 252 divisors, whose sum is σ = 81288600372. Its totient is φ = 5693276160.

The previous prime is 23486528339. The next prime is 23486528363. The reversal of 23486528340 is 4382568432.

23486528340 is a `hidden beast` number, since 2 + 3 + 4 + 86 + 528 + 3 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8367858576 + 15118669764 = 91476^2 + 122958^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1757524 + ... + 1770836.

It is an arithmetic number, because the mean of its divisors is an integer number (322573811).

Almost surely, 2^23486528340 is an apocalyptic number.

23486528340 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 23486528340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40644300186).

23486528340 is an abundant number, since it is smaller than the sum of its proper divisors (57802072032).

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

23486528340 is a wasteful number, since it uses less digits than its factorization.

23486528340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362 (or 13334 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 23486528340 in words is "twenty-three billion, four hundred eighty-six million, five hundred twenty-eight thousand, three hundred forty".