1144120523 has 16 divisors (see below), whose sum is σ = 1413263040. Its totient is φ = 901950336.

The previous prime is 1144120517. The next prime is 1144120541. The reversal of 1144120523 is 3250214411.

It is not a de Polignac number, because 1144120523 - 2¹⁶ = 1144054987 is a prime.

It is a super-2 number, since 2×1144120523² = 2618023542299587058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144120513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2513 + ... + 47901.

It is an arithmetic number, because the mean of its divisors is an integer number (88328940).

Almost surely, 2^1144120523 is an apocalyptic number.

1144120523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144120523 is a deficient number, since it is larger than the sum of its proper divisors (269142517).

1144120523 is a wasteful number, since it uses less digits than its factorization.

1144120523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45686.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1144120523 is about 33824.8506722498. The cubic root of 1144120523 is about 1045.9010331220.

Adding to 1144120523 its reverse (3250214411), we get a palindrome (4394334934).

The spelling of 1144120523 in words is "one billion, one hundred forty-four million, one hundred twenty thousand, five hundred twenty-three".