23500051 has 4 divisors (see below), whose sum is σ = 23797600. Its totient is φ = 23202504.

The previous prime is 23500031. The next prime is 23500091. The reversal of 23500051 is 15000532.

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

It is a cyclic number.

It is not a de Polignac number, because 23500051 - 2⁵ = 23500019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23499998 and 23500034.

It is not an unprimeable number, because it can be changed into a prime (23500031) 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, 148656 + ... + 148813.

It is an arithmetic number, because the mean of its divisors is an integer number (5949400).

Almost surely, 2^23500051 is an apocalyptic number.

23500051 is a deficient number, since it is larger than the sum of its proper divisors (297549).

23500051 is an equidigital number, since it uses as much as digits as its factorization.

23500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297548.

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

The square root of 23500051 is about 4847.6851176618. The cubic root of 23500051 is about 286.4329230056.

Adding to 23500051 its reverse (15000532), we get a palindrome (38500583).

It can be divided in two parts, 2 and 3500051, that added together give a palindrome (3500053).

The spelling of 23500051 in words is "twenty-three million, five hundred thousand, fifty-one".