23522123 has 4 divisors (see below), whose sum is σ = 24544848. Its totient is φ = 22499400.

The previous prime is 23522119. The next prime is 23522129. The reversal of 23522123 is 32122532.

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 23522123 - 2² = 23522119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23522095 and 23522104.

It is not an unprimeable number, because it can be changed into a prime (23522129) 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, 511328 + ... + 511373.

It is an arithmetic number, because the mean of its divisors is an integer number (6136212).

Almost surely, 2^23522123 is an apocalyptic number.

23522123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23522123 is a deficient number, since it is larger than the sum of its proper divisors (1022725).

23522123 is a wasteful number, since it uses less digits than its factorization.

23522123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022724.

The product of its digits is 720, while the sum is 20.

The square root of 23522123 is about 4849.9611338649. The cubic root of 23522123 is about 286.5225706010.

Adding to 23522123 its reverse (32122532), we get a palindrome (55644655).

The spelling of 23522123 in words is "twenty-three million, five hundred twenty-two thousand, one hundred twenty-three".