6233623421 has 2 divisors, whose sum is σ = 6233623422. Its totient is φ = 6233623420.

The previous prime is 6233623411. The next prime is 6233623439. The reversal of 6233623421 is 1243263326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5556062521 + 677560900 = 74539^2 + 26030^2 .

It is a cyclic number.

It is not a de Polignac number, because 6233623421 - 2²² = 6229429117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6233623411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3116811710 + 3116811711.

It is an arithmetic number, because the mean of its divisors is an integer number (3116811711).

Almost surely, 2^6233623421 is an apocalyptic number.

It is an amenable number.

6233623421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6233623421 is an equidigital number, since it uses as much as digits as its factorization.

6233623421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

The square root of 6233623421 is about 78953.2989874394. The cubic root of 6233623421 is about 1840.4054931975.

Adding to 6233623421 its reverse (1243263326), we get a palindrome (7476886747).

The spelling of 6233623421 in words is "six billion, two hundred thirty-three million, six hundred twenty-three thousand, four hundred twenty-one".