22323523 has 2 divisors, whose sum is σ = 22323524. Its totient is φ = 22323522.

The previous prime is 22323491. The next prime is 22323541. The reversal of 22323523 is 32532322.

It is a happy number.

22323523 is nontrivially palindromic in base 12.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22323523 - 2⁵ = 22323491 is a prime.

It is a super-3 number, since 3×22323523³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323494 and 22323503.

It is not a weakly prime, because it can be changed into another prime (22323563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161761 + 11161762.

It is an arithmetic number, because the mean of its divisors is an integer number (11161762).

Almost surely, 2^22323523 is an apocalyptic number.

22323523 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323523 is an equidigital number, since it uses as much as digits as its factorization.

22323523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 22.

The square root of 22323523 is about 4724.7775609017. Note that the first 3 decimals coincide. The cubic root of 22323523 is about 281.5707761929.

Adding to 22323523 its reverse (32532322), we get a palindrome (54855845).

The spelling of 22323523 in words is "twenty-two million, three hundred twenty-three thousand, five hundred twenty-three".