11453433123 has 16 divisors (see below), whose sum is σ = 16672505472. Its totient is φ = 6936072000.

The previous prime is 11453433077. The next prime is 11453433163. The reversal of 11453433123 is 32133435411.

It is a happy number.

It is not a de Polignac number, because 11453433123 - 2⁶ = 11453433059 is a prime.

It is a super-2 number, since 2×11453433123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11453433163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91818 + ... + 177023.

It is an arithmetic number, because the mean of its divisors is an integer number (1042031592).

Almost surely, 2^11453433123 is an apocalyptic number.

11453433123 is a deficient number, since it is larger than the sum of its proper divisors (5219072349).

11453433123 is a wasteful number, since it uses less digits than its factorization.

11453433123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270146.

The product of its digits is 12960, while the sum is 30.

Adding to 11453433123 its reverse (32133435411), we get a palindrome (43586868534).

The spelling of 11453433123 in words is "eleven billion, four hundred fifty-three million, four hundred thirty-three thousand, one hundred twenty-three".