6123631 has 2 divisors, whose sum is σ = 6123632. Its totient is φ = 6123630.

The previous prime is 6123629. The next prime is 6123641. The reversal of 6123631 is 1363216.

6123631 = T₂₀₁₉ + T₂₀₂₀ + T₂₀₂₁.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6123631 - 2¹ = 6123629 is a prime.

It is a super-2 number, since 2×6123631² = 74997713248322, which contains 22 as substring.

Together with 6123629, it forms a pair of twin primes.

6123631 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6123641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061815 + 3061816.

It is an arithmetic number, because the mean of its divisors is an integer number (3061816).

Almost surely, 2^6123631 is an apocalyptic number.

6123631 is the 2021-st centered triangular number.

6123631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6123631 is an equidigital number, since it uses as much as digits as its factorization.

6123631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 6123631 is about 2474.5971389299. The cubic root of 6123631 is about 182.9516529493.

Adding to 6123631 its reverse (1363216), we get a palindrome (7486847).

The spelling of 6123631 in words is "six million, one hundred twenty-three thousand, six hundred thirty-one".