1923212180944 has 10 divisors (see below), whose sum is σ = 3726223600610. Its totient is φ = 961606090464.

The previous prime is 1923212180917. The next prime is 1923212180951. The reversal of 1923212180944 is 4490812123291.

It can be written as a sum of positive squares in only one way, i.e., 1766538708544 + 156673472400 = 1329112^2 + 395820^2 .

It is a super-2 number, since 2×1923212180944² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1923212180894 and 1923212180903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100380639 + ... + 60100380670.

It is an arithmetic number, because the mean of its divisors is an integer number (372622360061).

Almost surely, 2^{1923212180944} is an apocalyptic number.

It is an amenable number.

1923212180944 is a deficient number, since it is larger than the sum of its proper divisors (1803011419666).

1923212180944 is a wasteful number, since it uses less digits than its factorization.

1923212180944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120200761317 (or 120200761311 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 1923212180944 in words is "one trillion, nine hundred twenty-three billion, two hundred twelve million, one hundred eighty thousand, nine hundred forty-four".