11453415523 has 4 divisors (see below), whose sum is σ = 12494635128. Its totient is φ = 10412195920.

The previous prime is 11453415499. The next prime is 11453415541. The reversal of 11453415523 is 32551435411.

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-11453415523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11453415923) 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, 520609786 + ... + 520609807.

It is an arithmetic number, because the mean of its divisors is an integer number (3123658782).

Almost surely, 2^11453415523 is an apocalyptic number.

11453415523 is a deficient number, since it is larger than the sum of its proper divisors (1041219605).

11453415523 is a wasteful number, since it uses less digits than its factorization.

11453415523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041219604.

The product of its digits is 36000, while the sum is 34.

The spelling of 11453415523 in words is "eleven billion, four hundred fifty-three million, four hundred fifteen thousand, five hundred twenty-three".