15272423 has 2 divisors, whose sum is σ = 15272424. Its totient is φ = 15272422.

The previous prime is 15272419. The next prime is 15272461. The reversal of 15272423 is 32427251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15272423 - 2² = 15272419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15272392 and 15272401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15272723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7636211 + 7636212.

It is an arithmetic number, because the mean of its divisors is an integer number (7636212).

Almost surely, 2^15272423 is an apocalyptic number.

15272423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15272423 is an equidigital number, since it uses as much as digits as its factorization.

15272423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 15272423 is about 3907.9947543465. The cubic root of 15272423 is about 248.1052655366.

Adding to 15272423 its reverse (32427251), we get a palindrome (47699674).

The spelling of 15272423 in words is "fifteen million, two hundred seventy-two thousand, four hundred twenty-three".