15023423 has 2 divisors, whose sum is σ = 15023424. Its totient is φ = 15023422.

The previous prime is 15023419. The next prime is 15023429. The reversal of 15023423 is 32432051.

It is a happy number.

15023423 is nontrivially palindromic in base 11.

It is a weak prime.

It is an emirp because it is prime and its reverse (32432051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15023423 - 2² = 15023419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15023395 and 15023404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15023429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511711 + 7511712.

It is an arithmetic number, because the mean of its divisors is an integer number (7511712).

Almost surely, 2^15023423 is an apocalyptic number.

15023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15023423 is an equidigital number, since it uses as much as digits as its factorization.

15023423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 15023423 is about 3876.0060629468. The cubic root of 15023423 is about 246.7495097521.

Adding to 15023423 its reverse (32432051), we get a palindrome (47455474).

The spelling of 15023423 in words is "fifteen million, twenty-three thousand, four hundred twenty-three".