23140016 has 10 divisors (see below), whose sum is σ = 44833812. Its totient is φ = 11570000.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140016 is 61004132.

It is a junction number, because it is equal to n+sod(n) for n = 23139976 and 23140003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723110 + ... + 723141.

Almost surely, 2^23140016 is an apocalyptic number.

It is an amenable number.

23140016 is a deficient number, since it is larger than the sum of its proper divisors (21693796).

23140016 is a wasteful number, since it uses less digits than its factorization.

23140016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446259 (or 1446253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23140016 is about 4810.4070513835. The cubic root of 23140016 is about 284.9626133373.

Adding to 23140016 its reverse (61004132), we get a palindrome (84144148).

The spelling of 23140016 in words is "twenty-three million, one hundred forty thousand, sixteen".