3426531623 has 4 divisors (see below), whose sum is σ = 3426663480. Its totient is φ = 3426399768.

The previous prime is 3426531599. The next prime is 3426531629. The reversal of 3426531623 is 3261356243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3426531623 is a prime.

It is a super-2 number, since 2×3426531623² = 23482237926838028258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426531629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12533 + ... + 83726.

It is an arithmetic number, because the mean of its divisors is an integer number (856665870).

Almost surely, 2^3426531623 is an apocalyptic number.

3426531623 is a deficient number, since it is larger than the sum of its proper divisors (131857).

3426531623 is an equidigital number, since it uses as much as digits as its factorization.

3426531623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131856.

The product of its digits is 77760, while the sum is 35.

The square root of 3426531623 is about 58536.5836293851. The cubic root of 3426531623 is about 1507.5957856204.

Adding to 3426531623 its reverse (3261356243), we get a palindrome (6687887866).

The spelling of 3426531623 in words is "three billion, four hundred twenty-six million, five hundred thirty-one thousand, six hundred twenty-three".