23283389 has 2 divisors, whose sum is σ = 23283390. Its totient is φ = 23283388.

The previous prime is 23283349. The next prime is 23283401. The reversal of 23283389 is 98338232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 195364 = 4805^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 23283389 - 2⁸ = 23283133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23283329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11641694 + 11641695.

It is an arithmetic number, because the mean of its divisors is an integer number (11641695).

Almost surely, 2^23283389 is an apocalyptic number.

It is an amenable number.

23283389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23283389 is an equidigital number, since it uses as much as digits as its factorization.

23283389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 23283389 is about 4825.2864163695. The cubic root of 23283389 is about 285.5499343712.

The spelling of 23283389 in words is "twenty-three million, two hundred eighty-three thousand, three hundred eighty-nine".