52220123 has 2 divisors, whose sum is σ = 52220124. Its totient is φ = 52220122.

The previous prime is 52220099. The next prime is 52220159. The reversal of 52220123 is 32102225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52220123 - 2⁶ = 52220059 is a prime.

It is a super-2 number, since 2×52220123² = 5453882492270258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52220023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110061 + 26110062.

It is an arithmetic number, because the mean of its divisors is an integer number (26110062).

Almost surely, 2^52220123 is an apocalyptic number.

52220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220123 is an equidigital number, since it uses as much as digits as its factorization.

52220123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52220123 is about 7226.3492165823. The cubic root of 52220123 is about 373.7770483365. Note that the first 3 decimals are identical.

Adding to 52220123 its reverse (32102225), we get a palindrome (84322348).

The spelling of 52220123 in words is "fifty-two million, two hundred twenty thousand, one hundred twenty-three".