23199549120 has 896 divisors, whose sum is σ = 96227066880. Its totient is φ = 5199298560.

The previous prime is 23199549091. The next prime is 23199549133. The reversal of 23199549120 is 2194599132.

23199549120 is a `hidden beast` number, since 2 + 3 + 1 + 99 + 549 + 12 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 134101354 + ... + 134101526.

It is an arithmetic number, because the mean of its divisors is an integer number (107396280).

Almost surely, 2^23199549120 is an apocalyptic number.

23199549120 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 23199549120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48113533440).

23199549120 is an abundant number, since it is smaller than the sum of its proper divisors (73027517760).

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

23199549120 is a wasteful number, since it uses less digits than its factorization.

23199549120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 23199549120 in words is "twenty-three billion, one hundred ninety-nine million, five hundred forty-nine thousand, one hundred twenty".