23091609600 has 648 divisors, whose sum is σ = 88740648360. Its totient is φ = 5945425920.

The previous prime is 23091609581. The next prime is 23091609613. The reversal of 23091609600 is 690619032.

23091609600 is a `hidden beast` number, since 2 + 30 + 9 + 16 + 0 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 796262386 + ... + 796262414.

It is an arithmetic number, because the mean of its divisors is an integer number (136945445).

Almost surely, 2^23091609600 is an apocalyptic number.

23091609600 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 23091609600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44370324180).

23091609600 is an abundant number, since it is smaller than the sum of its proper divisors (65649038760).

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

23091609600 is an frugal number, since it uses more digits than its factorization.

23091609600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 23091609600 in words is "twenty-three billion, ninety-one million, six hundred nine thousand, six hundred".