40423247003123 has 2 divisors, whose sum is σ = 40423247003124. Its totient is φ = 40423247003122.

The previous prime is 40423247003089. The next prime is 40423247003179. The reversal of 40423247003123 is 32130074232404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40423247003123 - 2²⁰ = 40423245954547 is a prime.

It is not a weakly prime, because it can be changed into another prime (40423247003723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211623501561 + 20211623501562.

It is an arithmetic number, because the mean of its divisors is an integer number (20211623501562).

Almost surely, 2^{40423247003123} is an apocalyptic number.

40423247003123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423247003123 is an equidigital number, since it uses as much as digits as its factorization.

40423247003123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 40423247003123 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-seven million, three thousand, one hundred twenty-three".