23695473721920 has 1344 divisors, whose sum is σ = 103730903064576. Its totient is φ = 4448173916160.

The previous prime is 23695473721903. The next prime is 23695473721957. The reversal of 23695473721920 is 2912737459632.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×23695473721920² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 587126382 + ... + 587166738.

Almost surely, 2^{23695473721920} is an apocalyptic number.

23695473721920 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 23695473721920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51865451532288).

23695473721920 is an abundant number, since it is smaller than the sum of its proper divisors (80035429342656).

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

23695473721920 is a wasteful number, since it uses less digits than its factorization.

23695473721920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40468 (or 40445 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 23695473721920 in words is "twenty-three trillion, six hundred ninety-five billion, four hundred seventy-three million, seven hundred twenty-one thousand, nine hundred twenty".