123342001043 has 2 divisors, whose sum is σ = 123342001044. Its totient is φ = 123342001042.

The previous prime is 123342001039. The next prime is 123342001061. The reversal of 123342001043 is 340100243321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123342001043 - 2² = 123342001039 is a prime.

It is not a weakly prime, because it can be changed into another prime (123342001243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61671000521 + 61671000522.

It is an arithmetic number, because the mean of its divisors is an integer number (61671000522).

Almost surely, 2^123342001043 is an apocalyptic number.

123342001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123342001043 is an equidigital number, since it uses as much as digits as its factorization.

123342001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123342001043 its reverse (340100243321), we get a palindrome (463442244364).

The spelling of 123342001043 in words is "one hundred twenty-three billion, three hundred forty-two million, one thousand, forty-three".