1047718923 has 8 divisors (see below), whose sum is σ = 1399316688. Its totient is φ = 697300224.

The previous prime is 1047718907. The next prime is 1047718943. The reversal of 1047718923 is 3298177401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1047718923 - 2⁴ = 1047718907 is a prime.

It is a super-2 number, since 2×1047718923² = 2195429883224559858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1047718943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292690 + ... + 296247.

It is an arithmetic number, because the mean of its divisors is an integer number (174914586).

Almost surely, 2^1047718923 is an apocalyptic number.

1047718923 is a deficient number, since it is larger than the sum of its proper divisors (351597765).

1047718923 is an equidigital number, since it uses as much as digits as its factorization.

1047718923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589533.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1047718923 is about 32368.4865725909. The cubic root of 1047718923 is about 1015.6597983034.

The spelling of 1047718923 in words is "one billion, forty-seven million, seven hundred eighteen thousand, nine hundred twenty-three".