121064605291423 has 2 divisors, whose sum is σ = 121064605291424. Its totient is φ = 121064605291422.

The previous prime is 121064605291403. The next prime is 121064605291471. The reversal of 121064605291423 is 324192506460121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121064605291423 - 2³³ = 121056015356831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121064605291403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60532302645711 + 60532302645712.

It is an arithmetic number, because the mean of its divisors is an integer number (60532302645712).

Almost surely, 2^{121064605291423} is an apocalyptic number.

121064605291423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121064605291423 is an equidigital number, since it uses as much as digits as its factorization.

121064605291423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 121064605291423 in words is "one hundred twenty-one trillion, sixty-four billion, six hundred five million, two hundred ninety-one thousand, four hundred twenty-three".