1147940323 has 8 divisors (see below), whose sum is σ = 1185362816. Its totient is φ = 1110542400.

The previous prime is 1147940291. The next prime is 1147940363. The reversal of 1147940323 is 3230497411.

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

It is a cyclic number.

It is not a de Polignac number, because 1147940323 - 2⁵ = 1147940291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147940363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164383 + ... + 171223.

It is an arithmetic number, because the mean of its divisors is an integer number (148170352).

Almost surely, 2^1147940323 is an apocalyptic number.

1147940323 is a deficient number, since it is larger than the sum of its proper divisors (37422493).

1147940323 is an equidigital number, since it uses as much as digits as its factorization.

1147940323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1147940323 is about 33881.2680252673. The cubic root of 1147940323 is about 1047.0637005213.

The spelling of 1147940323 in words is "one billion, one hundred forty-seven million, nine hundred forty thousand, three hundred twenty-three".