1149337523 has 4 divisors (see below), whose sum is σ = 1168817880. Its totient is φ = 1129857168.

The previous prime is 1149337499. The next prime is 1149337561. The reversal of 1149337523 is 3257339411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3257339411 = 521 ⋅6252091.

It is a cyclic number.

It is not a de Polignac number, because 1149337523 - 2⁶ = 1149337459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149337573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740090 + ... + 9740207.

It is an arithmetic number, because the mean of its divisors is an integer number (292204470).

Almost surely, 2^1149337523 is an apocalyptic number.

1149337523 is a deficient number, since it is larger than the sum of its proper divisors (19480357).

1149337523 is an equidigital number, since it uses as much as digits as its factorization.

1149337523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19480356.

The product of its digits is 68040, while the sum is 38.

The square root of 1149337523 is about 33901.8808180313. The cubic root of 1149337523 is about 1047.4883347508.

The spelling of 1149337523 in words is "one billion, one hundred forty-nine million, three hundred thirty-seven thousand, five hundred twenty-three".