23123824 has 10 divisors (see below), whose sum is σ = 44802440. Its totient is φ = 11561904.

The previous prime is 23123813. The next prime is 23123827. The reversal of 23123824 is 42832132.

It is a super-2 number, since 2×23123824² = 1069422472765952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722604 + ... + 722635.

It is an arithmetic number, because the mean of its divisors is an integer number (4480244).

Almost surely, 2^23123824 is an apocalyptic number.

It is an amenable number.

23123824 is a deficient number, since it is larger than the sum of its proper divisors (21678616).

23123824 is a wasteful number, since it uses less digits than its factorization.

23123824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445247 (or 1445241 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 23123824 is about 4808.7237392057. The cubic root of 23123824 is about 284.8961312271.

Adding to 23123824 its reverse (42832132), we get a palindrome (65955956).

The spelling of 23123824 in words is "twenty-three million, one hundred twenty-three thousand, eight hundred twenty-four".