23142016 has 16 divisors (see below), whose sum is σ = 46103490. Its totient is φ = 11570944.

The previous prime is 23142011. The next prime is 23142017. The reversal of 23142016 is 61024132.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 484416 = 4760^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 23141984 and 23142002.

It is not an unprimeable number, because it can be changed into a prime (23142011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90271 + ... + 90526.

Almost surely, 2^23142016 is an apocalyptic number.

23142016 is the 3043-rd centered pentagonal number.

It is an amenable number.

23142016 is a deficient number, since it is larger than the sum of its proper divisors (22961474).

23142016 is an equidigital number, since it uses as much as digits as its factorization.

23142016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180811 (or 180799 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23142016 is about 4810.6149295075. The cubic root of 23142016 is about 284.9708229082.

Adding to 23142016 its reverse (61024132), we get a palindrome (84166148).

The spelling of 23142016 in words is "twenty-three million, one hundred forty-two thousand, sixteen".