123142307 has 2 divisors, whose sum is σ = 123142308. Its totient is φ = 123142306.

The previous prime is 123142301. The next prime is 123142337. The reversal of 123142307 is 703241321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123142307 - 2¹⁰ = 123141283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123142301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61571153 + 61571154.

It is an arithmetic number, because the mean of its divisors is an integer number (61571154).

Almost surely, 2^123142307 is an apocalyptic number.

123142307 is a deficient number, since it is larger than the sum of its proper divisors (1).

123142307 is an equidigital number, since it uses as much as digits as its factorization.

123142307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 123142307 is about 11096.9503468295. The cubic root of 123142307 is about 497.5107033715.

Adding to 123142307 its reverse (703241321), we get a palindrome (826383628).

The spelling of 123142307 in words is "one hundred twenty-three million, one hundred forty-two thousand, three hundred seven".