123013229951 has 2 divisors, whose sum is σ = 123013229952. Its totient is φ = 123013229950.

The previous prime is 123013229939. The next prime is 123013229953. The reversal of 123013229951 is 159922310321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123013229951 - 2¹⁴ = 123013213567 is a prime.

Together with 123013229953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013229953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506614975 + 61506614976.

It is an arithmetic number, because the mean of its divisors is an integer number (61506614976).

Almost surely, 2^123013229951 is an apocalyptic number.

123013229951 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013229951 is an equidigital number, since it uses as much as digits as its factorization.

123013229951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 123013229951 in words is "one hundred twenty-three billion, thirteen million, two hundred twenty-nine thousand, nine hundred fifty-one".