123013240411129 has 2 divisors, whose sum is σ = 123013240411130. Its totient is φ = 123013240411128.

The previous prime is 123013240411013. The next prime is 123013240411147. The reversal of 123013240411129 is 921114042310321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110265855570025 + 12747384841104 = 10500755^2 + 3570348^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013240411129 - 2¹⁷ = 123013240280057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123013240411094 and 123013240411103.

It is not a weakly prime, because it can be changed into another prime (123013240412129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506620205564 + 61506620205565.

It is an arithmetic number, because the mean of its divisors is an integer number (61506620205565).

Almost surely, 2^{123013240411129} is an apocalyptic number.

It is an amenable number.

123013240411129 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013240411129 is an equidigital number, since it uses as much as digits as its factorization.

123013240411129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 123013240411129 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, four hundred eleven thousand, one hundred twenty-nine".