10312123043440 has 40 divisors (see below), whose sum is σ = 24150691109520. Its totient is φ = 4094740824576.

The previous prime is 10312123043419. The next prime is 10312123043479. The reversal of 10312123043440 is 4434032121301.

It is a happy number.

10312123043440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10312123043399 and 10312123043408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470432610 + ... + 470454529.

It is an arithmetic number, because the mean of its divisors is an integer number (603767277738).

Almost surely, 2^{10312123043440} is an apocalyptic number.

10312123043440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312123043440 is an abundant number, since it is smaller than the sum of its proper divisors (13838568066080).

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

10312123043440 is a wasteful number, since it uses less digits than its factorization.

10312123043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940887289 (or 940887283 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10312123043440 its reverse (4434032121301), we get a palindrome (14746155164741).

The spelling of 10312123043440 in words is "ten trillion, three hundred twelve billion, one hundred twenty-three million, forty-three thousand, four hundred forty".