123652667 has 4 divisors (see below), whose sum is σ = 124050576. Its totient is φ = 123254760.

The previous prime is 123652637. The next prime is 123652681. The reversal of 123652667 is 766256321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766256321 = 223 ⋅3436127.

It is a cyclic number.

It is not a de Polignac number, because 123652667 - 2¹² = 123648571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123652667.

It is not an unprimeable number, because it can be changed into a prime (123652637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198488 + ... + 199109.

It is an arithmetic number, because the mean of its divisors is an integer number (31012644).

Almost surely, 2^123652667 is an apocalyptic number.

123652667 is a deficient number, since it is larger than the sum of its proper divisors (397909).

123652667 is an equidigital number, since it uses as much as digits as its factorization.

123652667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397908.

The product of its digits is 90720, while the sum is 38.

The square root of 123652667 is about 11119.9220770651. The cubic root of 123652667 is about 498.1970626479.

The spelling of 123652667 in words is "one hundred twenty-three million, six hundred fifty-two thousand, six hundred sixty-seven".