23009726 has 4 divisors (see below), whose sum is σ = 34514592. Its totient is φ = 11504862.

The previous prime is 23009713. The next prime is 23009747. The reversal of 23009726 is 62790032.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752430 + ... + 5752433.

It is an arithmetic number, because the mean of its divisors is an integer number (8628648).

Almost surely, 2^23009726 is an apocalyptic number.

23009726 is a deficient number, since it is larger than the sum of its proper divisors (11504866).

23009726 is a wasteful number, since it uses less digits than its factorization.

23009726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504865.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23009726 is about 4796.8454217329. The cubic root of 23009726 is about 284.4267784959.

Adding to 23009726 its reverse (62790032), we get a palindrome (85799758).

The spelling of 23009726 in words is "twenty-three million, nine thousand, seven hundred twenty-six".