11464664123 has 4 divisors (see below), whose sum is σ = 12506906328. Its totient is φ = 10422421920.

The previous prime is 11464664053. The next prime is 11464664131. The reversal of 11464664123 is 32146646411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11464664123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11464664723) 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, 521121086 + ... + 521121107.

It is an arithmetic number, because the mean of its divisors is an integer number (3126726582).

Almost surely, 2^11464664123 is an apocalyptic number.

11464664123 is a deficient number, since it is larger than the sum of its proper divisors (1042242205).

11464664123 is a wasteful number, since it uses less digits than its factorization.

11464664123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042242204.

The product of its digits is 82944, while the sum is 38.

The spelling of 11464664123 in words is "eleven billion, four hundred sixty-four million, six hundred sixty-four thousand, one hundred twenty-three".