12923491750 has 32 divisors (see below), whose sum is σ = 26053765920. Its totient is φ = 4771749600.

The previous prime is 12923491741. The next prime is 12923491769. The reversal of 12923491750 is 5719432921.

It is a junction number, because it is equal to n+sod(n) for n = 12923491697 and 12923491706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984980 + ... + 1991479.

It is an arithmetic number, because the mean of its divisors is an integer number (814180185).

Almost surely, 2^12923491750 is an apocalyptic number.

12923491750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12923491750 is an abundant number, since it is smaller than the sum of its proper divisors (13130274170).

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

12923491750 is a wasteful number, since it uses less digits than its factorization.

12923491750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976489 (or 3976479 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 12923491750 in words is "twelve billion, nine hundred twenty-three million, four hundred ninety-one thousand, seven hundred fifty".