163436023 has 2 divisors, whose sum is σ = 163436024. Its totient is φ = 163436022.

The previous prime is 163436003. The next prime is 163436029. The reversal of 163436023 is 320634361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163436023 - 2²¹ = 161338871 is a prime.

It is a super-2 number, since 2×163436023² = 53422667228113058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163435982 and 163436000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163436029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81718011 + 81718012.

It is an arithmetic number, because the mean of its divisors is an integer number (81718012).

Almost surely, 2^163436023 is an apocalyptic number.

163436023 is a deficient number, since it is larger than the sum of its proper divisors (1).

163436023 is an equidigital number, since it uses as much as digits as its factorization.

163436023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 163436023 is about 12784.2099091027. The cubic root of 163436023 is about 546.7421991029.

It can be divided in two parts, 16343 and 6023, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 163436023 in words is "one hundred sixty-three million, four hundred thirty-six thousand, twenty-three".