43452006123 has 16 divisors (see below), whose sum is σ = 58473930240. Its totient is φ = 28700275296.

The previous prime is 43452006089. The next prime is 43452006149. The reversal of 43452006123 is 32160025434.

It is not a de Polignac number, because 43452006123 - 2²⁵ = 43418451691 is a prime.

It is a super-2 number, since 2×43452006123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43452006163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12565 + ... + 295062.

It is an arithmetic number, because the mean of its divisors is an integer number (3654620640).

Almost surely, 2^43452006123 is an apocalyptic number.

43452006123 is a deficient number, since it is larger than the sum of its proper divisors (15021924117).

43452006123 is a wasteful number, since it uses less digits than its factorization.

43452006123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308066.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 43452006123 in words is "forty-three billion, four hundred fifty-two million, six thousand, one hundred twenty-three".