23123726 has 4 divisors (see below), whose sum is σ = 34685592. Its totient is φ = 11561862.

The previous prime is 23123719. The next prime is 23123729. The reversal of 23123726 is 62732132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23123695 and 23123704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780930 + ... + 5780933.

It is an arithmetic number, because the mean of its divisors is an integer number (8671398).

Almost surely, 2^23123726 is an apocalyptic number.

23123726 is a deficient number, since it is larger than the sum of its proper divisors (11561866).

23123726 is a wasteful number, since it uses less digits than its factorization.

23123726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561865.

The product of its digits is 3024, while the sum is 26.

The square root of 23123726 is about 4808.7135493810. The cubic root of 23123726 is about 284.8957287582.

Adding to 23123726 its reverse (62732132), we get a palindrome (85855858).

The spelling of 23123726 in words is "twenty-three million, one hundred twenty-three thousand, seven hundred twenty-six".