1200928457383 has 4 divisors (see below), whose sum is σ = 1201234586328. Its totient is φ = 1200622328440.

The previous prime is 1200928457381. The next prime is 1200928457419. The reversal of 1200928457383 is 3837548290021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200928457383 - 2¹ = 1200928457381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200928457383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200928457381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153058588 + ... + 153066433.

It is an arithmetic number, because the mean of its divisors is an integer number (300308646582).

Almost surely, 2^{1200928457383} is an apocalyptic number.

1200928457383 is a deficient number, since it is larger than the sum of its proper divisors (306128945).

1200928457383 is an equidigital number, since it uses as much as digits as its factorization.

1200928457383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306128944.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 1200928457383 in words is "one trillion, two hundred billion, nine hundred twenty-eight million, four hundred fifty-seven thousand, three hundred eighty-three".