1265502323 has 2 divisors, whose sum is σ = 1265502324. Its totient is φ = 1265502322.

The previous prime is 1265502311. The next prime is 1265502349. The reversal of 1265502323 is 3232055621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1265502323 - 2¹⁶ = 1265436787 is a prime.

It is a super-2 number, since 2×1265502323² = 3202992259036792658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1265502383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632751161 + 632751162.

It is an arithmetic number, because the mean of its divisors is an integer number (632751162).

Almost surely, 2^1265502323 is an apocalyptic number.

1265502323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265502323 is an equidigital number, since it uses as much as digits as its factorization.

1265502323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1265502323 is about 35573.8994629490. The cubic root of 1265502323 is about 1081.6522272975.

Adding to 1265502323 its reverse (3232055621), we get a palindrome (4497557944).

The spelling of 1265502323 in words is "one billion, two hundred sixty-five million, five hundred two thousand, three hundred twenty-three".