158436855223 has 2 divisors, whose sum is σ = 158436855224. Its totient is φ = 158436855222.

The previous prime is 158436855163. The next prime is 158436855277. The reversal of 158436855223 is 322558634851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158436855223 - 2¹³ = 158436847031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158436855293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79218427611 + 79218427612.

It is an arithmetic number, because the mean of its divisors is an integer number (79218427612).

Almost surely, 2^158436855223 is an apocalyptic number.

158436855223 is a deficient number, since it is larger than the sum of its proper divisors (1).

158436855223 is an equidigital number, since it uses as much as digits as its factorization.

158436855223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912000, while the sum is 52.

The spelling of 158436855223 in words is "one hundred fifty-eight billion, four hundred thirty-six million, eight hundred fifty-five thousand, two hundred twenty-three".