85410623 has 2 divisors, whose sum is σ = 85410624. Its totient is φ = 85410622.

The previous prime is 85410617. The next prime is 85410631. The reversal of 85410623 is 32601458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85410623 - 2¹⁶ = 85345087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85410683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42705311 + 42705312.

It is an arithmetic number, because the mean of its divisors is an integer number (42705312).

Almost surely, 2^85410623 is an apocalyptic number.

85410623 is a deficient number, since it is larger than the sum of its proper divisors (1).

85410623 is an equidigital number, since it uses as much as digits as its factorization.

85410623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85410623 is about 9241.7867861145. The cubic root of 85410623 is about 440.3898456055.

The spelling of 85410623 in words is "eighty-five million, four hundred ten thousand, six hundred twenty-three".