23774321 has 2 divisors, whose sum is σ = 23774322. Its totient is φ = 23774320.

The previous prime is 23774297. The next prime is 23774327. The reversal of 23774321 is 12347732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16810000 + 6964321 = 4100^2 + 2639^2 .

It is a cyclic number.

It is not a de Polignac number, because 23774321 - 2¹⁰ = 23773297 is a prime.

It is a super-2 number, since 2×23774321² = 1130436678022082, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23774327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11887160 + 11887161.

It is an arithmetic number, because the mean of its divisors is an integer number (11887161).

Almost surely, 2^23774321 is an apocalyptic number.

It is an amenable number.

23774321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23774321 is an equidigital number, since it uses as much as digits as its factorization.

23774321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 29.

The square root of 23774321 is about 4875.8918158630. The cubic root of 23774321 is about 287.5429390182.

The spelling of 23774321 in words is "twenty-three million, seven hundred seventy-four thousand, three hundred twenty-one".