123742063 has 2 divisors, whose sum is σ = 123742064. Its totient is φ = 123742062.

The previous prime is 123742061. The next prime is 123742103. The reversal of 123742063 is 360247321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123742063 - 2¹ = 123742061 is a prime.

Together with 123742061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123742061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61871031 + 61871032.

It is an arithmetic number, because the mean of its divisors is an integer number (61871032).

Almost surely, 2^123742063 is an apocalyptic number.

123742063 is a deficient number, since it is larger than the sum of its proper divisors (1).

123742063 is an equidigital number, since it uses as much as digits as its factorization.

123742063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 123742063 is about 11123.9409833026. The cubic root of 123742063 is about 498.3170926675.

Adding to 123742063 its reverse (360247321), we get a palindrome (483989384).

The spelling of 123742063 in words is "one hundred twenty-three million, seven hundred forty-two thousand, sixty-three".