1223355330432 has 96 divisors (see below), whose sum is σ = 3520708293960. Its totient is φ = 407741568000.

The previous prime is 1223355330427. The next prime is 1223355330433. The reversal of 1223355330432 is 2340335533221.

1223355330432 is a `hidden beast` number, since 1 + 2 + 2 + 33 + 553 + 30 + 43 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223355330433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11815207 + ... + 11918297.

Almost surely, 2^{1223355330432} is an apocalyptic number.

1223355330432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223355330432 is an abundant number, since it is smaller than the sum of its proper divisors (2297352963528).

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

1223355330432 is a wasteful number, since it uses less digits than its factorization.

1223355330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113412 (or 113397 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 1223355330432 in words is "one trillion, two hundred twenty-three billion, three hundred fifty-five million, three hundred thirty thousand, four hundred thirty-two".