23015005 has 16 divisors (see below), whose sum is σ = 30167424. Its totient is φ = 16752960.

The previous prime is 23014993. The next prime is 23015011. The reversal of 23015005 is 50051032.

It is not a de Polignac number, because 23015005 - 2¹⁷ = 22883933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23015005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (1885464).

Almost surely, 2^23015005 is an apocalyptic number.

It is an amenable number.

23015005 is a deficient number, since it is larger than the sum of its proper divisors (7152419).

23015005 is a wasteful number, since it uses less digits than its factorization.

23015005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 23015005 is about 4797.3956476405. The cubic root of 23015005 is about 284.4485283442.

Adding to 23015005 its reverse (50051032), we get a palindrome (73066037).

The spelling of 23015005 in words is "twenty-three million, fifteen thousand, five".