11453423519 has 8 divisors (see below), whose sum is σ = 11771137488. Its totient is φ = 11136139200.

The previous prime is 11453423503. The next prime is 11453423563. The reversal of 11453423519 is 91532435411.

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 11453423519 - 2⁴ = 11453423503 is a prime.

It is a super-2 number, since 2×11453423519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453473519) 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, 52982 + ... + 160355.

It is an arithmetic number, because the mean of its divisors is an integer number (1471392186).

Almost surely, 2^11453423519 is an apocalyptic number.

11453423519 is a deficient number, since it is larger than the sum of its proper divisors (317713969).

11453423519 is a wasteful number, since it uses less digits than its factorization.

11453423519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214825.

The product of its digits is 64800, while the sum is 38.

The spelling of 11453423519 in words is "eleven billion, four hundred fifty-three million, four hundred twenty-three thousand, five hundred nineteen".