1151453323 has 4 divisors (see below), whose sum is σ = 1191158640. Its totient is φ = 1111748008.

The previous prime is 1151453279. The next prime is 1151453339. The reversal of 1151453323 is 3233541511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233541511 = 1511 ⋅2140001.

It is a cyclic number.

It is not a de Polignac number, because 1151453323 - 2⁹ = 1151452811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151453291 and 1151453300.

It is not an unprimeable number, because it can be changed into a prime (1151853323) 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, 19852615 + ... + 19852672.

It is an arithmetic number, because the mean of its divisors is an integer number (297789660).

Almost surely, 2^1151453323 is an apocalyptic number.

1151453323 is a deficient number, since it is larger than the sum of its proper divisors (39705317).

1151453323 is an equidigital number, since it uses as much as digits as its factorization.

1151453323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39705316.

The product of its digits is 5400, while the sum is 28.

The square root of 1151453323 is about 33933.0712285228. The cubic root of 1151453323 is about 1048.1307097981.

Adding to 1151453323 its reverse (3233541511), we get a palindrome (4384994834).

The spelling of 1151453323 in words is "one billion, one hundred fifty-one million, four hundred fifty-three thousand, three hundred twenty-three".