53103623 has 2 divisors, whose sum is σ = 53103624. Its totient is φ = 53103622.

The previous prime is 53103551. The next prime is 53103671. The reversal of 53103623 is 32630135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53103623 - 2¹⁶ = 53038087 is a prime.

It is a super-2 number, since 2×53103623² = 5639989551452258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53103023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26551811 + 26551812.

It is an arithmetic number, because the mean of its divisors is an integer number (26551812).

Almost surely, 2^53103623 is an apocalyptic number.

53103623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53103623 is an equidigital number, since it uses as much as digits as its factorization.

53103623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 53103623 is about 7287.2232709037. The cubic root of 53103623 is about 375.8732195738.

Adding to 53103623 its reverse (32630135), we get a palindrome (85733758).

The spelling of 53103623 in words is "fifty-three million, one hundred three thousand, six hundred twenty-three".