23696859420 has 672 divisors, whose sum is σ = 85965411840. Its totient is φ = 5441955840.

The previous prime is 23696859397. The next prime is 23696859437. The reversal of 23696859420 is 2495869632.

It is a happy number.

23696859420 is a `hidden beast` number, since 23 + 6 + 9 + 6 + 8 + 594 + 20 = 666.

It is a super-2 number, since 2×23696859420² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 217402326 + ... + 217402434.

It is an arithmetic number, because the mean of its divisors is an integer number (127924720).

Almost surely, 2^23696859420 is an apocalyptic number.

23696859420 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 23696859420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42982705920).

23696859420 is an abundant number, since it is smaller than the sum of its proper divisors (62268552420).

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

23696859420 is a wasteful number, since it uses less digits than its factorization.

23696859420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 23696859420 in words is "twenty-three billion, six hundred ninety-six million, eight hundred fifty-nine thousand, four hundred twenty".