23021359 has 2 divisors, whose sum is σ = 23021360. Its totient is φ = 23021358.

The previous prime is 23021357. The next prime is 23021393. The reversal of 23021359 is 95312032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23021359 - 2¹ = 23021357 is a prime.

Together with 23021357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23021351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510679 + 11510680.

It is an arithmetic number, because the mean of its divisors is an integer number (11510680).

Almost surely, 2^23021359 is an apocalyptic number.

23021359 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021359 is an equidigital number, since it uses as much as digits as its factorization.

23021359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 23021359 is about 4798.0578362500. The cubic root of 23021359 is about 284.4747028572.

The spelling of 23021359 in words is "twenty-three million, twenty-one thousand, three hundred fifty-nine".