1264650323 has 2 divisors, whose sum is σ = 1264650324. Its totient is φ = 1264650322.

The previous prime is 1264650293. The next prime is 1264650329. The reversal of 1264650323 is 3230564621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264650323 - 2¹⁶ = 1264584787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264650323.

It is not a weakly prime, because it can be changed into another prime (1264650329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632325161 + 632325162.

It is an arithmetic number, because the mean of its divisors is an integer number (632325162).

Almost surely, 2^1264650323 is an apocalyptic number.

1264650323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264650323 is an equidigital number, since it uses as much as digits as its factorization.

1264650323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1264650323 is about 35561.9223749223. The cubic root of 1264650323 is about 1081.4094318548.

The spelling of 1264650323 in words is "one billion, two hundred sixty-four million, six hundred fifty thousand, three hundred twenty-three".