11323522631 has 4 divisors (see below), whose sum is σ = 11326956264. Its totient is φ = 11320089000.

The previous prime is 11323522603. The next prime is 11323522643. The reversal of 11323522631 is 13622532311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11323522631 - 2¹⁰ = 11323521607 is a prime.

It is a super-2 number, since 2×11323522631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323522594 and 11323522603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323522681) 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, 1711865 + ... + 1718466.

It is an arithmetic number, because the mean of its divisors is an integer number (2831739066).

Almost surely, 2^11323522631 is an apocalyptic number.

11323522631 is a deficient number, since it is larger than the sum of its proper divisors (3433633).

11323522631 is an equidigital number, since it uses as much as digits as its factorization.

11323522631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433632.

The product of its digits is 6480, while the sum is 29.

The spelling of 11323522631 in words is "eleven billion, three hundred twenty-three million, five hundred twenty-two thousand, six hundred thirty-one".