11623748459 has 8 divisors (see below), whose sum is σ = 11902402560. Its totient is φ = 11346400296.

The previous prime is 11623748449. The next prime is 11623748473. The reversal of 11623748459 is 95484732611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11623748459 - 2⁴ = 11623748443 is a prime.

It is a super-2 number, since 2×11623748459² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11623748449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308459 + ... + 344084.

It is an arithmetic number, because the mean of its divisors is an integer number (1487800320).

Almost surely, 2^11623748459 is an apocalyptic number.

11623748459 is a deficient number, since it is larger than the sum of its proper divisors (278654101).

11623748459 is an equidigital number, since it uses as much as digits as its factorization.

11623748459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652969.

The product of its digits is 1451520, while the sum is 50.

The spelling of 11623748459 in words is "eleven billion, six hundred twenty-three million, seven hundred forty-eight thousand, four hundred fifty-nine".