53206123 has 4 divisors (see below), whose sum is σ = 53935048. Its totient is φ = 52477200.

The previous prime is 53206121. The next prime is 53206129. The reversal of 53206123 is 32160235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32160235 = 5 ⋅6432047.

It is a cyclic number.

It is not a de Polignac number, because 53206123 - 2¹ = 53206121 is a prime.

It is a super-2 number, since 2×53206123² = 5661783049382258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53206094 and 53206103.

It is not an unprimeable number, because it can be changed into a prime (53206121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364353 + ... + 364498.

It is an arithmetic number, because the mean of its divisors is an integer number (13483762).

Almost surely, 2^53206123 is an apocalyptic number.

53206123 is a deficient number, since it is larger than the sum of its proper divisors (728925).

53206123 is an equidigital number, since it uses as much as digits as its factorization.

53206123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728924.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 53206123 is about 7294.2527376010. The cubic root of 53206123 is about 376.1148995274.

Adding to 53206123 its reverse (32160235), we get a palindrome (85366358).

The spelling of 53206123 in words is "fifty-three million, two hundred six thousand, one hundred twenty-three".