1151344523 has 12 divisors (see below), whose sum is σ = 1342451232. Its totient is φ = 984558960.

The previous prime is 1151344517. The next prime is 1151344529. The reversal of 1151344523 is 3254431511.

It is an interprime number because it is at equal distance from previous prime (1151344517) and next prime (1151344529).

It is not a de Polignac number, because 1151344523 - 2¹² = 1151340427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151344529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6140 + ... + 48377.

It is an arithmetic number, because the mean of its divisors is an integer number (111870936).

Almost surely, 2^1151344523 is an apocalyptic number.

1151344523 is a deficient number, since it is larger than the sum of its proper divisors (191106709).

1151344523 is an equidigital number, since it uses as much as digits as its factorization.

1151344523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54962 (or 54955 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1151344523 is about 33931.4680348493. The cubic root of 1151344523 is about 1048.0976963849.

The spelling of 1151344523 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, five hundred twenty-three".