11304123453 has 48 divisors (see below), whose sum is σ = 19534109760. Its totient is φ = 6441900192.

The previous prime is 11304123451. The next prime is 11304123461. The reversal of 11304123453 is 35432140311.

It is a happy number.

11304123453 is a `hidden beast` number, since 1 + 1 + 304 + 12 + 345 + 3 = 666.

It is not a de Polignac number, because 11304123453 - 2¹ = 11304123451 is a prime.

It is a super-3 number, since 3×11304123453³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304123451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482026 + ... + 504932.

It is an arithmetic number, because the mean of its divisors is an integer number (406960620).

Almost surely, 2^11304123453 is an apocalyptic number.

It is an amenable number.

11304123453 is a deficient number, since it is larger than the sum of its proper divisors (8229986307).

11304123453 is a wasteful number, since it uses less digits than its factorization.

11304123453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23303 (or 23290 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11304123453 its reverse (35432140311), we get a palindrome (46736263764).

The spelling of 11304123453 in words is "eleven billion, three hundred four million, one hundred twenty-three thousand, four hundred fifty-three".