23303623 has 16 divisors (see below), whose sum is σ = 28325376. Its totient is φ = 18738720.

The previous prime is 23303597. The next prime is 23303639. The reversal of 23303623 is 32630332.

It is not a de Polignac number, because 23303623 - 2⁵ = 23303591 is a prime.

It is a super-2 number, since 2×23303623² = 1086117689852258, 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 = 23303594 and 23303603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7168 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (1770336).

Almost surely, 2^23303623 is an apocalyptic number.

23303623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23303623 is a deficient number, since it is larger than the sum of its proper divisors (5021753).

23303623 is a wasteful number, since it uses less digits than its factorization.

23303623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 23303623 is about 4827.3826241557. The cubic root of 23303623 is about 285.6326277237.

Adding to 23303623 its reverse (32630332), we get a palindrome (55933955).

The spelling of 23303623 in words is "twenty-three million, three hundred three thousand, six hundred twenty-three".