73404042277123 has 2 divisors, whose sum is σ = 73404042277124. Its totient is φ = 73404042277122.

The previous prime is 73404042277117. The next prime is 73404042277141. The reversal of 73404042277123 is 32177224040437.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73404042277123 - 2⁵ = 73404042277091 is a prime.

It is not a weakly prime, because it can be changed into another prime (73404042277723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36702021138561 + 36702021138562.

It is an arithmetic number, because the mean of its divisors is an integer number (36702021138562).

Almost surely, 2^{73404042277123} is an apocalyptic number.

73404042277123 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404042277123 is an equidigital number, since it uses as much as digits as its factorization.

73404042277123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 46.

The spelling of 73404042277123 in words is "seventy-three trillion, four hundred four billion, forty-two million, two hundred seventy-seven thousand, one hundred twenty-three".