23031716 has 6 divisors (see below), whose sum is σ = 40305510. Its totient is φ = 11515856.

The previous prime is 23031683. The next prime is 23031769. The reversal of 23031716 is 61713032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22944100 + 87616 = 4790^2 + 296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23031691 and 23031700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878961 + ... + 2878968.

It is an arithmetic number, because the mean of its divisors is an integer number (6717585).

Almost surely, 2^23031716 is an apocalyptic number.

It is an amenable number.

23031716 is a deficient number, since it is larger than the sum of its proper divisors (17273794).

23031716 is a wasteful number, since it uses less digits than its factorization.

23031716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757933 (or 5757931 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 23031716 is about 4799.1370057543. The cubic root of 23031716 is about 284.5173569098.

Adding to 23031716 its reverse (61713032), we get a palindrome (84744748).

The spelling of 23031716 in words is "twenty-three million, thirty-one thousand, seven hundred sixteen".