15942023 has 2 divisors, whose sum is σ = 15942024. Its totient is φ = 15942022.

The previous prime is 15942019. The next prime is 15942041. The reversal of 15942023 is 32024951.

15942023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15942023 - 2² = 15942019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15941983 and 15942001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15942053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971011 + 7971012.

It is an arithmetic number, because the mean of its divisors is an integer number (7971012).

Almost surely, 2^15942023 is an apocalyptic number.

15942023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15942023 is an equidigital number, since it uses as much as digits as its factorization.

15942023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 15942023 is about 3992.7462979759. The cubic root of 15942023 is about 251.6794814365.

Adding to 15942023 its reverse (32024951), we get a palindrome (47966974).

The spelling of 15942023 in words is "fifteen million, nine hundred forty-two thousand, twenty-three".