163125623 has 2 divisors, whose sum is σ = 163125624. Its totient is φ = 163125622.

The previous prime is 163125607. The next prime is 163125643. The reversal of 163125623 is 326521361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163125623 - 2⁴ = 163125607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163125643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81562811 + 81562812.

It is an arithmetic number, because the mean of its divisors is an integer number (81562812).

Almost surely, 2^163125623 is an apocalyptic number.

163125623 is a deficient number, since it is larger than the sum of its proper divisors (1).

163125623 is an equidigital number, since it uses as much as digits as its factorization.

163125623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 163125623 is about 12772.0641636346. The cubic root of 163125623 is about 546.3958529165.

Adding to 163125623 its reverse (326521361), we get a palindrome (489646984).

The spelling of 163125623 in words is "one hundred sixty-three million, one hundred twenty-five thousand, six hundred twenty-three".