15430423 has 2 divisors, whose sum is σ = 15430424. Its totient is φ = 15430422.

The previous prime is 15430399. The next prime is 15430433. The reversal of 15430423 is 32403451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15430423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15430394 and 15430403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15430433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7715211 + 7715212.

It is an arithmetic number, because the mean of its divisors is an integer number (7715212).

Almost surely, 2^15430423 is an apocalyptic number.

15430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15430423 is an equidigital number, since it uses as much as digits as its factorization.

15430423 is an odious number, because the sum of its binary digits is odd.

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

The square root of 15430423 is about 3928.1577106832. The cubic root of 15430423 is about 248.9579182983.

Adding to 15430423 its reverse (32403451), we get a palindrome (47833874).

The spelling of 15430423 in words is "fifteen million, four hundred thirty thousand, four hundred twenty-three".