23251423 has 4 divisors (see below), whose sum is σ = 25040008. Its totient is φ = 21462840.

The previous prime is 23251411. The next prime is 23251447. The reversal of 23251423 is 32415232.

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 23251423 - 2⁵ = 23251391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23251394 and 23251403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251483) 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, 894273 + ... + 894298.

It is an arithmetic number, because the mean of its divisors is an integer number (6260002).

Almost surely, 2^23251423 is an apocalyptic number.

23251423 is a deficient number, since it is larger than the sum of its proper divisors (1788585).

23251423 is a wasteful number, since it uses less digits than its factorization.

23251423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788584.

The product of its digits is 1440, while the sum is 22.

The square root of 23251423 is about 4821.9729364649. The cubic root of 23251423 is about 285.4191963925.

Adding to 23251423 its reverse (32415232), we get a palindrome (55666655).

The spelling of 23251423 in words is "twenty-three million, two hundred fifty-one thousand, four hundred twenty-three".