1264336565223 has 16 divisors (see below), whose sum is σ = 1721299092480. Its totient is φ = 825201240864.

The previous prime is 1264336565101. The next prime is 1264336565237. The reversal of 1264336565223 is 3225656334621.

It is not a de Polignac number, because 1264336565223 - 2²⁸ = 1264068129767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264336565263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8513643 + ... + 8660876.

It is an arithmetic number, because the mean of its divisors is an integer number (107581193280).

Almost surely, 2^{1264336565223} is an apocalyptic number.

1264336565223 is a deficient number, since it is larger than the sum of its proper divisors (456962527257).

1264336565223 is a wasteful number, since it uses less digits than its factorization.

1264336565223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17175038.

The product of its digits is 4665600, while the sum is 48.

The spelling of 1264336565223 in words is "one trillion, two hundred sixty-four billion, three hundred thirty-six million, five hundred sixty-five thousand, two hundred twenty-three".