123216427153 has 2 divisors, whose sum is σ = 123216427154. Its totient is φ = 123216427152.

The previous prime is 123216427129. The next prime is 123216427157. The reversal of 123216427153 is 351724612321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121722836544 + 1493590609 = 348888^2 + 38647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123216427153 is a prime.

It is not a weakly prime, because it can be changed into another prime (123216427157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61608213576 + 61608213577.

It is an arithmetic number, because the mean of its divisors is an integer number (61608213577).

Almost surely, 2^123216427153 is an apocalyptic number.

It is an amenable number.

123216427153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123216427153 is an equidigital number, since it uses as much as digits as its factorization.

123216427153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The spelling of 123216427153 in words is "one hundred twenty-three billion, two hundred sixteen million, four hundred twenty-seven thousand, one hundred fifty-three".