23023523 has 4 divisors (see below), whose sum is σ = 23315040. Its totient is φ = 22732008.

The previous prime is 23023519. The next prime is 23023531. The reversal of 23023523 is 32532032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23023523 - 2² = 23023519 is a prime.

It is a super-2 number, since 2×23023523² = 1060165222663058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23023495 and 23023504.

It is not an unprimeable number, because it can be changed into a prime (23023513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145640 + ... + 145797.

It is an arithmetic number, because the mean of its divisors is an integer number (5828760).

Almost surely, 2^23023523 is an apocalyptic number.

23023523 is a deficient number, since it is larger than the sum of its proper divisors (291517).

23023523 is an equidigital number, since it uses as much as digits as its factorization.

23023523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291516.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 23023523 is about 4798.2833388619. The cubic root of 23023523 is about 284.4836160868.

Adding to 23023523 its reverse (32532032), we get a palindrome (55555555).

The spelling of 23023523 in words is "twenty-three million, twenty-three thousand, five hundred twenty-three".