23709946 has 16 divisors (see below), whose sum is σ = 38765664. Its totient is φ = 10810224.

The previous prime is 23709943. The next prime is 23709971. The reversal of 23709946 is 64990732.

It is a junction number, because it is equal to n+sod(n) for n = 23709899 and 23709908.

It is not an unprimeable number, because it can be changed into a prime (23709943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (2422854).

Almost surely, 2^23709946 is an apocalyptic number.

23709946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23709946 is a deficient number, since it is larger than the sum of its proper divisors (15055718).

23709946 is a wasteful number, since it uses less digits than its factorization.

23709946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11085.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 23709946 is about 4869.2859846183. The cubic root of 23709946 is about 287.2831726196.

The spelling of 23709946 in words is "twenty-three million, seven hundred nine thousand, nine hundred forty-six".