1245288323 has 4 divisors (see below), whose sum is σ = 1245396528. Its totient is φ = 1245180120.

The previous prime is 1245288283. The next prime is 1245288349. The reversal of 1245288323 is 3238825421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1245288323 - 2¹⁴ = 1245271939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245288223) 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, 34463 + ... + 60648.

It is an arithmetic number, because the mean of its divisors is an integer number (311349132).

Almost surely, 2^1245288323 is an apocalyptic number.

1245288323 is a deficient number, since it is larger than the sum of its proper divisors (108205).

1245288323 is an equidigital number, since it uses as much as digits as its factorization.

1245288323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108204.

The product of its digits is 92160, while the sum is 38.

The square root of 1245288323 is about 35288.6429747589. The cubic root of 1245288323 is about 1075.8621741695.

The spelling of 1245288323 in words is "one billion, two hundred forty-five million, two hundred eighty-eight thousand, three hundred twenty-three".