43861000023 has 12 divisors (see below), whose sum is σ = 66109333680. Its totient is φ = 27969333216.

The previous prime is 43861000019. The next prime is 43861000031. The reversal of 43861000023 is 32000016834.

It is a happy number.

43861000023 is a `hidden beast` number, since 43 + 8 + 610 + 0 + 0 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 43861000023 - 2² = 43861000019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43861000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105944238 + ... + 105944651.

It is an arithmetic number, because the mean of its divisors is an integer number (5509111140).

Almost surely, 2^43861000023 is an apocalyptic number.

43861000023 is a deficient number, since it is larger than the sum of its proper divisors (22248333657).

43861000023 is a wasteful number, since it uses less digits than its factorization.

43861000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211888918 (or 211888915 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 43861000023 its reverse (32000016834), we get a palindrome (75861016857).

The spelling of 43861000023 in words is "forty-three billion, eight hundred sixty-one million, twenty-three", and thus it is an aban number.