80143623 has 24 divisors (see below), whose sum is σ = 132751008. Its totient is φ = 45640512.

The previous prime is 80143607. The next prime is 80143639. The reversal of 80143623 is 32634108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80143607) and next prime (80143639).

It is not a de Polignac number, because 80143623 - 2⁴ = 80143607 is a prime.

It is a super-2 number, since 2×80143623² = 12846000615132258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80143603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17965 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (5531292).

Almost surely, 2^80143623 is an apocalyptic number.

80143623 is a deficient number, since it is larger than the sum of its proper divisors (52607385).

80143623 is a wasteful number, since it uses less digits than its factorization.

80143623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343 (or 4340 counting only the distinct ones).

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

The square root of 80143623 is about 8952.2970795210. The cubic root of 80143623 is about 431.1446391632.

The spelling of 80143623 in words is "eighty million, one hundred forty-three thousand, six hundred twenty-three".