23050513 has 4 divisors (see below), whose sum is σ = 23065200. Its totient is φ = 23035828.

The previous prime is 23050507. The next prime is 23050529. The reversal of 23050513 is 31505032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23050513 - 2¹³ = 23042321 is a prime.

It is a super-2 number, since 2×23050513² = 1062652299126338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23050543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4663 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (5766300).

Almost surely, 2^23050513 is an apocalyptic number.

It is an amenable number.

23050513 is a deficient number, since it is larger than the sum of its proper divisors (14687).

23050513 is a wasteful number, since it uses less digits than its factorization.

23050513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14686.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 23050513 is about 4801.0949792730. The cubic root of 23050513 is about 284.5947374301.

Adding to 23050513 its reverse (31505032), we get a palindrome (54555545).

The spelling of 23050513 in words is "twenty-three million, fifty thousand, five hundred thirteen".