1223703240000 has 140 divisors (see below), whose sum is σ = 4045848838944. Its totient is φ = 326320832000.

The previous prime is 1223703239999. The next prime is 1223703240013. The reversal of 1223703240000 is 423073221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4978764 + ... + 5218763.

Almost surely, 2^{1223703240000} is an apocalyptic number.

1223703240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223703240000 is an abundant number, since it is smaller than the sum of its proper divisors (2822145598944).

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

1223703240000 is an equidigital number, since it uses as much as digits as its factorization.

1223703240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197562 (or 10197537 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The spelling of 1223703240000 in words is "one trillion, two hundred twenty-three billion, seven hundred three million, two hundred forty thousand".