23289829 has 2 divisors, whose sum is σ = 23289830. Its totient is φ = 23289828.

The previous prime is 23289811. The next prime is 23289853. The reversal of 23289829 is 92898232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20948929 + 2340900 = 4577^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 23289829 - 2¹⁷ = 23158757 is a prime.

It is a super-2 number, since 2×23289829² = 1084832269698482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23289859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11644914 + 11644915.

It is an arithmetic number, because the mean of its divisors is an integer number (11644915).

Almost surely, 2^23289829 is an apocalyptic number.

It is an amenable number.

23289829 is a deficient number, since it is larger than the sum of its proper divisors (1).

23289829 is an equidigital number, since it uses as much as digits as its factorization.

23289829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 23289829 is about 4825.9536881325. The cubic root of 23289829 is about 285.5762588903.

The spelling of 23289829 in words is "twenty-three million, two hundred eighty-nine thousand, eight hundred twenty-nine".