23051506 has 4 divisors (see below), whose sum is σ = 34577262. Its totient is φ = 11525752.

The previous prime is 23051459. The next prime is 23051513. The reversal of 23051506 is 60515032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14402025 + 8649481 = 3795^2 + 2941^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762875 + ... + 5762878.

Almost surely, 2^23051506 is an apocalyptic number.

23051506 is a deficient number, since it is larger than the sum of its proper divisors (11525756).

23051506 is a wasteful number, since it uses less digits than its factorization.

23051506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525755.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 23051506 is about 4801.1983920684. The cubic root of 23051506 is about 284.5988240856.

Adding to 23051506 its reverse (60515032), we get a palindrome (83566538).

The spelling of 23051506 in words is "twenty-three million, fifty-one thousand, five hundred six".