23833421 has 2 divisors, whose sum is σ = 23833422. Its totient is φ = 23833420.

The previous prime is 23833379. The next prime is 23833477. The reversal of 23833421 is 12433832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17732521 + 6100900 = 4211^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 23833421 - 2¹⁴ = 23817037 is a prime.

It is a Chen prime.

It is equal to p_1497311 and since 23833421 and 1497311 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23833321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11916710 + 11916711.

It is an arithmetic number, because the mean of its divisors is an integer number (11916711).

Almost surely, 2^23833421 is an apocalyptic number.

It is an amenable number.

23833421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23833421 is an equidigital number, since it uses as much as digits as its factorization.

23833421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 23833421 is about 4881.9484839560. The cubic root of 23833421 is about 287.7810071651.

The spelling of 23833421 in words is "twenty-three million, eight hundred thirty-three thousand, four hundred twenty-one".