123211351154051 has 2 divisors, whose sum is σ = 123211351154052. Its totient is φ = 123211351154050.

The previous prime is 123211351154033. The next prime is 123211351154149. The reversal of 123211351154051 is 150451153112321.

It is a weak prime.

It is an emirp because it is prime and its reverse (150451153112321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123211351154051 - 2³⁰ = 123210277412227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123211351159051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605675577025 + 61605675577026.

It is an arithmetic number, because the mean of its divisors is an integer number (61605675577026).

Almost surely, 2^{123211351154051} is an apocalyptic number.

123211351154051 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211351154051 is an equidigital number, since it uses as much as digits as its factorization.

123211351154051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 123211351154051 in words is "one hundred twenty-three trillion, two hundred eleven billion, three hundred fifty-one million, one hundred fifty-four thousand, fifty-one".