53205023 has 2 divisors, whose sum is σ = 53205024. Its totient is φ = 53205022.

The previous prime is 53205013. The next prime is 53205029. The reversal of 53205023 is 32050235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53205023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53204986 and 53205004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53205029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602511 + 26602512.

It is an arithmetic number, because the mean of its divisors is an integer number (26602512).

Almost surely, 2^53205023 is an apocalyptic number.

53205023 is a deficient number, since it is larger than the sum of its proper divisors (1).

53205023 is an equidigital number, since it uses as much as digits as its factorization.

53205023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53205023 is about 7294.1773353820. The cubic root of 53205023 is about 376.1123075372.

Adding to 53205023 its reverse (32050235), we get a palindrome (85255258).

The spelling of 53205023 in words is "fifty-three million, two hundred five thousand, twenty-three".