23430423 has 4 divisors (see below), whose sum is σ = 31240568. Its totient is φ = 15620280.

The previous prime is 23430409. The next prime is 23430431. The reversal of 23430423 is 32403432.

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

It is not a de Polignac number, because 23430423 - 2⁵ = 23430391 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 23430423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430443) 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, 3905068 + ... + 3905073.

It is an arithmetic number, because the mean of its divisors is an integer number (7810142).

Almost surely, 2^23430423 is an apocalyptic number.

23430423 is a deficient number, since it is larger than the sum of its proper divisors (7810145).

23430423 is an equidigital number, since it uses as much as digits as its factorization.

23430423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810144.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23430423 is about 4840.4982181590. The cubic root of 23430423 is about 286.1497536758.

Adding to 23430423 its reverse (32403432), we get a palindrome (55833855).

The spelling of 23430423 in words is "twenty-three million, four hundred thirty thousand, four hundred twenty-three".