23383421 has 2 divisors, whose sum is σ = 23383422. Its totient is φ = 23383420.

The previous prime is 23383397. The next prime is 23383427. The reversal of 23383421 is 12438332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22934521 + 448900 = 4789^2 + 670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23383421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23383427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11691710 + 11691711.

It is an arithmetic number, because the mean of its divisors is an integer number (11691711).

Almost surely, 2^23383421 is an apocalyptic number.

It is an amenable number.

23383421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23383421 is an equidigital number, since it uses as much as digits as its factorization.

23383421 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 23383421 is about 4835.6407021200. The cubic root of 23383421 is about 285.9582844597.

The spelling of 23383421 in words is "twenty-three million, three hundred eighty-three thousand, four hundred twenty-one".