40433000123 has 4 divisors (see below), whose sum is σ = 40624625928. Its totient is φ = 40241374320.

The previous prime is 40433000099. The next prime is 40433000143. The reversal of 40433000123 is 32100033404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40433000123 - 2¹⁰ = 40432999099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40433000095 and 40433000104.

It is not an unprimeable number, because it can be changed into a prime (40433000143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95812586 + ... + 95813007.

It is an arithmetic number, because the mean of its divisors is an integer number (10156156482).

Almost surely, 2^40433000123 is an apocalyptic number.

40433000123 is a deficient number, since it is larger than the sum of its proper divisors (191625805).

40433000123 is a wasteful number, since it uses less digits than its factorization.

40433000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191625804.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40433000123 its reverse (32100033404), we get a palindrome (72533033527).

The spelling of 40433000123 in words is "forty billion, four hundred thirty-three million, one hundred twenty-three", and thus it is an aban number.