123320245 has 16 divisors (see below), whose sum is σ = 151971840. Its totient is φ = 96021504.

The previous prime is 123320243. The next prime is 123320257. The reversal of 123320245 is 542023321.

It is a cyclic number.

It is not a de Polignac number, because 123320245 - 2¹ = 123320243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43996 + ... + 46714.

It is an arithmetic number, because the mean of its divisors is an integer number (9498240).

Almost surely, 2^123320245 is an apocalyptic number.

It is an amenable number.

123320245 is a deficient number, since it is larger than the sum of its proper divisors (28651595).

123320245 is a wasteful number, since it uses less digits than its factorization.

123320245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123320245 is about 11104.9648806288. The cubic root of 123320245 is about 497.7502188190.

Adding to 123320245 its reverse (542023321), we get a palindrome (665343566).

The spelling of 123320245 in words is "one hundred twenty-three million, three hundred twenty thousand, two hundred forty-five".