1078920328923 has 12 divisors (see below), whose sum is σ = 1563148758808. Its totient is φ = 717107165280.

The previous prime is 1078920328921. The next prime is 1078920329017. The reversal of 1078920328923 is 3298230298701.

It is not a de Polignac number, because 1078920328923 - 2¹ = 1078920328921 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 1078920328923.

It is not an unprimeable number, because it can be changed into a prime (1078920328921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181084690 + ... + 181090647.

Almost surely, 2^{1078920328923} is an apocalyptic number.

1078920328923 is a deficient number, since it is larger than the sum of its proper divisors (484228429885).

1078920328923 is a wasteful number, since it uses less digits than its factorization.

1078920328923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362175674 (or 362175671 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1078920328923 in words is "one trillion, seventy-eight billion, nine hundred twenty million, three hundred twenty-eight thousand, nine hundred twenty-three".