123013229929 has 2 divisors, whose sum is σ = 123013229930. Its totient is φ = 123013229928.

The previous prime is 123013229897. The next prime is 123013229939. The reversal of 123013229929 is 929922310321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82944000000 + 40069229929 = 288000^2 + 200173^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013229929 - 2⁵ = 123013229897 is a prime.

It is not a weakly prime, because it can be changed into another prime (123013229939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506614964 + 61506614965.

It is an arithmetic number, because the mean of its divisors is an integer number (61506614965).

Almost surely, 2^123013229929 is an apocalyptic number.

It is an amenable number.

123013229929 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013229929 is an equidigital number, since it uses as much as digits as its factorization.

123013229929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 123013229929 in words is "one hundred twenty-three billion, thirteen million, two hundred twenty-nine thousand, nine hundred twenty-nine".