1223948160 has 192 divisors, whose sum is σ = 4341430080. Its totient is φ = 317509632.

The previous prime is 1223948153. The next prime is 1223948183. The reversal of 1223948160 is 618493221.

It is a tau number, because it is divible by the number of its divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 210249 + ... + 215991.

It is an arithmetic number, because the mean of its divisors is an integer number (22611615).

Almost surely, 2^1223948160 is an apocalyptic number.

1223948160 is a gapful number since it is divisible by the number (10) 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 1223948160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170715040).

1223948160 is an abundant number, since it is smaller than the sum of its proper divisors (3117481920).

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

1223948160 is a wasteful number, since it uses less digits than its factorization.

1223948160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1223948160 is about 34984.9704873393. The cubic root of 1223948160 is about 1069.6811464406.

The spelling of 1223948160 in words is "one billion, two hundred twenty-three million, nine hundred forty-eight thousand, one hundred sixty".