87723061043 has 2 divisors, whose sum is σ = 87723061044. Its totient is φ = 87723061042.

The previous prime is 87723061039. The next prime is 87723061051. The reversal of 87723061043 is 34016032778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87723061043 - 2² = 87723061039 is a prime.

It is not a weakly prime, because it can be changed into another prime (87723060043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43861530521 + 43861530522.

It is an arithmetic number, because the mean of its divisors is an integer number (43861530522).

Almost surely, 2^87723061043 is an apocalyptic number.

87723061043 is a deficient number, since it is larger than the sum of its proper divisors (1).

87723061043 is an equidigital number, since it uses as much as digits as its factorization.

87723061043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 87723061043 in words is "eighty-seven billion, seven hundred twenty-three million, sixty-one thousand, forty-three".