1223498143296 has 672 divisors, whose sum is σ = 4283781120000. Its totient is φ = 339429242880.

The previous prime is 1223498143279. The next prime is 1223498143339. The reversal of 1223498143296 is 6923418943221.

It is a happy number.

1223498143296 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 49 + 81 + 432 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 407967205 + ... + 407970203.

Almost surely, 2^{1223498143296} is an apocalyptic number.

1223498143296 is a gapful number since it is divisible by the number (16) 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 1223498143296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2141890560000).

1223498143296 is an abundant number, since it is smaller than the sum of its proper divisors (3060282976704).

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

1223498143296 is a wasteful number, since it uses less digits than its factorization.

1223498143296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3155 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 1223498143296 in words is "one trillion, two hundred twenty-three billion, four hundred ninety-eight million, one hundred forty-three thousand, two hundred ninety-six".