215441423 has 2 divisors, whose sum is σ = 215441424. Its totient is φ = 215441422.

The previous prime is 215441411. The next prime is 215441441. The reversal of 215441423 is 324144512.

215441423 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 215441423 - 2²⁶ = 148332559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215441392 and 215441401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215444423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107720711 + 107720712.

It is an arithmetic number, because the mean of its divisors is an integer number (107720712).

Almost surely, 2^215441423 is an apocalyptic number.

215441423 is a deficient number, since it is larger than the sum of its proper divisors (1).

215441423 is an equidigital number, since it uses as much as digits as its factorization.

215441423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 215441423 is about 14677.9229797679. The cubic root of 215441423 is about 599.4823526045.

Adding to 215441423 its reverse (324144512), we get a palindrome (539585935).

The spelling of 215441423 in words is "two hundred fifteen million, four hundred forty-one thousand, four hundred twenty-three".