123345567 has 12 divisors (see below), whose sum is σ = 178264944. Its totient is φ = 82184640.

The previous prime is 123345529. The next prime is 123345571. The reversal of 123345567 is 765543321.

It is not a de Polignac number, because 123345567 - 2¹⁵ = 123312799 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23767 + ... + 28487.

It is an arithmetic number, because the mean of its divisors is an integer number (14855412).

Almost surely, 2^123345567 is an apocalyptic number.

123345567 is a deficient number, since it is larger than the sum of its proper divisors (54919377).

123345567 is a wasteful number, since it uses less digits than its factorization.

123345567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630 (or 7627 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 123345567 is about 11106.1049427781. The cubic root of 123345567 is about 497.7842850516.

Adding to 123345567 its reverse (765543321), we get a palindrome (888888888).

The spelling of 123345567 in words is "one hundred twenty-three million, three hundred forty-five thousand, five hundred sixty-seven".