123053405439971 has 2 divisors, whose sum is σ = 123053405439972. Its totient is φ = 123053405439970.

The previous prime is 123053405439953. The next prime is 123053405440039. The reversal of 123053405439971 is 179934504350321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123053405439971 - 2²² = 123053401245667 is a prime.

It is not a weakly prime, because it can be changed into another prime (123053405439911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61526702719985 + 61526702719986.

It is an arithmetic number, because the mean of its divisors is an integer number (61526702719986).

Almost surely, 2^{123053405439971} is an apocalyptic number.

123053405439971 is a deficient number, since it is larger than the sum of its proper divisors (1).

123053405439971 is an equidigital number, since it uses as much as digits as its factorization.

123053405439971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 123053405439971 in words is "one hundred twenty-three trillion, fifty-three billion, four hundred five million, four hundred thirty-nine thousand, nine hundred seventy-one".