1173223430444 has 72 divisors (see below), whose sum is σ = 2235098638080. Its totient is φ = 538602996672.

The previous prime is 1173223430417. The next prime is 1173223430513. The reversal of 1173223430444 is 4440343223711.

It is a junction number, because it is equal to n+sod(n) for n = 1173223430398 and 1173223430407.

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, 104382977 + ... + 104394215.

It is an arithmetic number, because the mean of its divisors is an integer number (31043036640).

Almost surely, 2^{1173223430444} is an apocalyptic number.

It is an amenable number.

1173223430444 is a deficient number, since it is larger than the sum of its proper divisors (1061875207636).

1173223430444 is a wasteful number, since it uses less digits than its factorization.

1173223430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12079 (or 12064 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 1173223430444 in words is "one trillion, one hundred seventy-three billion, two hundred twenty-three million, four hundred thirty thousand, four hundred forty-four".