605621153623 has 2 divisors, whose sum is σ = 605621153624. Its totient is φ = 605621153622.

The previous prime is 605621153603. The next prime is 605621153647. The reversal of 605621153623 is 326351126506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605621153623 - 2¹⁷ = 605621022551 is a prime.

It is a super-2 number, since 2×605621153623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605621153603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302810576811 + 302810576812.

It is an arithmetic number, because the mean of its divisors is an integer number (302810576812).

Almost surely, 2^605621153623 is an apocalyptic number.

605621153623 is a deficient number, since it is larger than the sum of its proper divisors (1).

605621153623 is an equidigital number, since it uses as much as digits as its factorization.

605621153623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 605621153623 in words is "six hundred five billion, six hundred twenty-one million, one hundred fifty-three thousand, six hundred twenty-three".