123150311 has 2 divisors, whose sum is σ = 123150312. Its totient is φ = 123150310.

The previous prime is 123150301. The next prime is 123150331. The reversal of 123150311 is 113051321.

It is a weak prime.

It is an emirp because it is prime and its reverse (113051321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123150311 - 2²² = 118956007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123150311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123150301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61575155 + 61575156.

It is an arithmetic number, because the mean of its divisors is an integer number (61575156).

Almost surely, 2^123150311 is an apocalyptic number.

123150311 is a deficient number, since it is larger than the sum of its proper divisors (1).

123150311 is an equidigital number, since it uses as much as digits as its factorization.

123150311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 123150311 is about 11097.3109805935. The cubic root of 123150311 is about 497.5214821999.

The spelling of 123150311 in words is "one hundred twenty-three million, one hundred fifty thousand, three hundred eleven".