23662742 has 12 divisors (see below), whose sum is σ = 37705740. Its totient is φ = 11135136.

The previous prime is 23662741. The next prime is 23662783. The reversal of 23662742 is 24726632.

It is a junction number, because it is equal to n+sod(n) for n = 23662699 and 23662708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23662741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19892 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (3142145).

Almost surely, 2^23662742 is an apocalyptic number.

23662742 is a deficient number, since it is larger than the sum of its proper divisors (14042998).

23662742 is a wasteful number, since it uses less digits than its factorization.

23662742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40975 (or 40958 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 23662742 is about 4864.4364524578. The cubic root of 23662742 is about 287.0923957997.

The spelling of 23662742 in words is "twenty-three million, six hundred sixty-two thousand, seven hundred forty-two".