23690453606820 has 1536 divisors, whose sum is σ = 101920702464000. Its totient is φ = 4409992304640.

The previous prime is 23690453606783. The next prime is 23690453606821. The reversal of 23690453606820 is 2860635409632.

It is a happy number.

23690453606820 is a `hidden beast` number, since 2 + 3 + 6 + 9 + 0 + 4 + 5 + 3 + 606 + 8 + 20 = 666.

It is a super-2 number, since 2×23690453606820² (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (23690453606821) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 2519452239 + ... + 2519461641.

It is an arithmetic number, because the mean of its divisors is an integer number (66354624000).

Almost surely, 2^{23690453606820} is an apocalyptic number.

23690453606820 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 23690453606820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50960351232000).

23690453606820 is an abundant number, since it is smaller than the sum of its proper divisors (78230248857180).

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

23690453606820 is a wasteful number, since it uses less digits than its factorization.

23690453606820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590 (or 9582 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 23690453606820 in words is "twenty-three trillion, six hundred ninety billion, four hundred fifty-three million, six hundred six thousand, eight hundred twenty".