123402467 has 2 divisors, whose sum is σ = 123402468. Its totient is φ = 123402466.

The previous prime is 123402431. The next prime is 123402509. The reversal of 123402467 is 764204321.

It is a weak prime.

It is an emirp because it is prime and its reverse (764204321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123402467 - 2⁶ = 123402403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123402407) 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 as a sum of consecutive naturals, namely, 61701233 + 61701234.

It is an arithmetic number, because the mean of its divisors is an integer number (61701234).

Almost surely, 2^123402467 is an apocalyptic number.

123402467 is a deficient number, since it is larger than the sum of its proper divisors (1).

123402467 is an equidigital number, since it uses as much as digits as its factorization.

123402467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 123402467 is about 11108.6663015863. Note that the first 3 decimals coincide. The cubic root of 123402467 is about 497.8608168430.

Adding to 123402467 its reverse (764204321), we get a palindrome (887606788).

The spelling of 123402467 in words is "one hundred twenty-three million, four hundred two thousand, four hundred sixty-seven".