1151375323 has 8 divisors (see below), whose sum is σ = 1318081248. Its totient is φ = 985225344.

The previous prime is 1151375297. The next prime is 1151375327. The reversal of 1151375323 is 3235731511.

It is a happy number.

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 1151375323 - 2¹⁷ = 1151244251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151375327) 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, 134536 + ... + 142837.

It is an arithmetic number, because the mean of its divisors is an integer number (164760156).

Almost surely, 2^1151375323 is an apocalyptic number.

1151375323 is a deficient number, since it is larger than the sum of its proper divisors (166705925).

1151375323 is an equidigital number, since it uses as much as digits as its factorization.

1151375323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277973.

The product of its digits is 9450, while the sum is 31.

The square root of 1151375323 is about 33931.9218878035. The cubic root of 1151375323 is about 1048.1070423048.

The spelling of 1151375323 in words is "one billion, one hundred fifty-one million, three hundred seventy-five thousand, three hundred twenty-three".