3023420661 has 20 divisors (see below), whose sum is σ = 4539418092. Its totient is φ = 2005371648.

The previous prime is 3023420629. The next prime is 3023420663. The reversal of 3023420661 is 1660243203.

It can be written as a sum of positive squares in 2 ways, for example, as 1665129636 + 1358291025 = 40806^2 + 36855^2 .

It is not a de Polignac number, because 3023420661 - 2⁵ = 3023420629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023420663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78780 + ... + 110693.

Almost surely, 2^3023420661 is an apocalyptic number.

It is an amenable number.

3023420661 is a deficient number, since it is larger than the sum of its proper divisors (1515997431).

3023420661 is a wasteful number, since it uses less digits than its factorization.

3023420661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189682 (or 189673 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3023420661 is about 54985.6404982246. The cubic root of 3023420661 is about 1445.9930054241.

Adding to 3023420661 its reverse (1660243203), we get a palindrome (4683663864).

The spelling of 3023420661 in words is "three billion, twenty-three million, four hundred twenty thousand, six hundred sixty-one".