23289533 has 2 divisors, whose sum is σ = 23289534. Its totient is φ = 23289532.

The previous prime is 23289527. The next prime is 23289557. The reversal of 23289533 is 33598232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 840889 = 4738^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 23289533 - 2²⁰ = 22240957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23289493 and 23289502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23285533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11644766 + 11644767.

It is an arithmetic number, because the mean of its divisors is an integer number (11644767).

Almost surely, 2^23289533 is an apocalyptic number.

It is an amenable number.

23289533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23289533 is an equidigital number, since it uses as much as digits as its factorization.

23289533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 23289533 is about 4825.9230205216. The cubic root of 23289533 is about 285.5750490499.

The spelling of 23289533 in words is "twenty-three million, two hundred eighty-nine thousand, five hundred thirty-three".