23173016 has 8 divisors (see below), whose sum is σ = 43449420. Its totient is φ = 11586504.

The previous prime is 23173013. The next prime is 23173039. The reversal of 23173016 is 61037132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23172982 and 23173000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448306 + ... + 1448321.

Almost surely, 2^23173016 is an apocalyptic number.

It is an amenable number.

23173016 is a deficient number, since it is larger than the sum of its proper divisors (20276404).

23173016 is a wasteful number, since it uses less digits than its factorization.

23173016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896633 (or 2896629 counting only the distinct ones).

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

The square root of 23173016 is about 4813.8358925082. The cubic root of 23173016 is about 285.0980108170.

The spelling of 23173016 in words is "twenty-three million, one hundred seventy-three thousand, sixteen".