123052213 has 4 divisors (see below), whose sum is σ = 123268288. Its totient is φ = 122836140.

The previous prime is 123052199. The next prime is 123052243. The reversal of 123052213 is 312250321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312250321 = 31 ⋅10072591.

It is a cyclic number.

It is not a de Polignac number, because 123052213 - 2¹³ = 123044021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123052243) 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, 107181 + ... + 108322.

It is an arithmetic number, because the mean of its divisors is an integer number (30817072).

Almost surely, 2^123052213 is an apocalyptic number.

It is an amenable number.

123052213 is a deficient number, since it is larger than the sum of its proper divisors (216075).

123052213 is an equidigital number, since it uses as much as digits as its factorization.

123052213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216074.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 123052213 is about 11092.8902004843. The cubic root of 123052213 is about 497.3893433342.

The spelling of 123052213 in words is "one hundred twenty-three million, fifty-two thousand, two hundred thirteen".