15432023 has 2 divisors, whose sum is σ = 15432024. Its totient is φ = 15432022.

The previous prime is 15432007. The next prime is 15432041. The reversal of 15432023 is 32023451.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32023451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15432023 - 2⁴ = 15432007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15431986 and 15432004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15432083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7716011 + 7716012.

It is an arithmetic number, because the mean of its divisors is an integer number (7716012).

Almost surely, 2^15432023 is an apocalyptic number.

15432023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15432023 is an equidigital number, since it uses as much as digits as its factorization.

15432023 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 15432023 is about 3928.3613632149. The cubic root of 15432023 is about 248.9665229209.

Adding to 15432023 its reverse (32023451), we get a palindrome (47455474).

The spelling of 15432023 in words is "fifteen million, four hundred thirty-two thousand, twenty-three".