123225577 has 4 divisors (see below), whose sum is σ = 126556036. Its totient is φ = 119895120.

The previous prime is 123225547. The next prime is 123225607. The reversal of 123225577 is 775522321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (123225547) and next prime (123225607).

It can be written as a sum of positive squares in 2 ways, for example, as 106936281 + 16289296 = 10341^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 123225577 - 2⁷ = 123225449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123225517) 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, 1665174 + ... + 1665247.

It is an arithmetic number, because the mean of its divisors is an integer number (31639009).

Almost surely, 2^123225577 is an apocalyptic number.

It is an amenable number.

123225577 is a deficient number, since it is larger than the sum of its proper divisors (3330459).

123225577 is an equidigital number, since it uses as much as digits as its factorization.

123225577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330458.

The product of its digits is 29400, while the sum is 34.

The square root of 123225577 is about 11100.7016444908. The cubic root of 123225577 is about 497.6228185950.

Adding to 123225577 its reverse (775522321), we get a palindrome (898747898).

The spelling of 123225577 in words is "one hundred twenty-three million, two hundred twenty-five thousand, five hundred seventy-seven".