85373623 has 2 divisors, whose sum is σ = 85373624. Its totient is φ = 85373622.

The previous prime is 85373621. The next prime is 85373627. The reversal of 85373623 is 32637358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85373623 - 2¹ = 85373621 is a prime.

It is a super-2 number, since 2×85373623² = 14577311008292258, which contains 22 as substring.

Together with 85373621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85373621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42686811 + 42686812.

It is an arithmetic number, because the mean of its divisors is an integer number (42686812).

Almost surely, 2^85373623 is an apocalyptic number.

85373623 is a deficient number, since it is larger than the sum of its proper divisors (1).

85373623 is an equidigital number, since it uses as much as digits as its factorization.

85373623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 85373623 is about 9239.7847918661. The cubic root of 85373623 is about 440.3262439238.

The spelling of 85373623 in words is "eighty-five million, three hundred seventy-three thousand, six hundred twenty-three".