11430622523 has 4 divisors (see below), whose sum is σ = 11432043720. Its totient is φ = 11429201328.

The previous prime is 11430622517. The next prime is 11430622561. The reversal of 11430622523 is 32522603411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32522603411 = 19 ⋅1711715969.

It is a cyclic number.

It is not a de Polignac number, because 11430622523 - 2⁶ = 11430622459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430622123) 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, 698465 + ... + 714642.

It is an arithmetic number, because the mean of its divisors is an integer number (2858010930).

Almost surely, 2^11430622523 is an apocalyptic number.

11430622523 is a deficient number, since it is larger than the sum of its proper divisors (1421197).

11430622523 is an equidigital number, since it uses as much as digits as its factorization.

11430622523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421196.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 11430622523 in words is "eleven billion, four hundred thirty million, six hundred twenty-two thousand, five hundred twenty-three".