623486605 has 16 divisors (see below), whose sum is σ = 856727424. Its totient is φ = 426703680.

The previous prime is 623486581. The next prime is 623486629. The reversal of 623486605 is 506684326.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (623486581) and next prime (623486629).

It is not a de Polignac number, because 623486605 - 2¹¹ = 623484557 is a prime.

It is a super-2 number, since 2×623486605² = 777471093228852050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275 + ... + 35335.

It is an arithmetic number, because the mean of its divisors is an integer number (53545464).

Almost surely, 2^623486605 is an apocalyptic number.

It is an amenable number.

623486605 is a deficient number, since it is larger than the sum of its proper divisors (233240819).

623486605 is a wasteful number, since it uses less digits than its factorization.

623486605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34596.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 623486605 is about 24969.7137548671. The cubic root of 623486605 is about 854.2973171663.

The spelling of 623486605 in words is "six hundred twenty-three million, four hundred eighty-six thousand, six hundred five".