151000123 has 2 divisors, whose sum is σ = 151000124. Its totient is φ = 151000122.

The previous prime is 151000121. The next prime is 151000153. The reversal of 151000123 is 321000151.

It is a weak prime.

It is an emirp because it is prime and its reverse (321000151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151000123 - 2¹ = 151000121 is a prime.

Together with 151000121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75500061 + 75500062.

It is an arithmetic number, because the mean of its divisors is an integer number (75500062).

Almost surely, 2^151000123 is an apocalyptic number.

151000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

151000123 is an equidigital number, since it uses as much as digits as its factorization.

151000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 151000123 is about 12288.2107322425. The cubic root of 151000123 is about 532.5075467496.

Adding to 151000123 its reverse (321000151), we get a palindrome (472000274).

The spelling of 151000123 in words is "one hundred fifty-one million, one hundred twenty-three", and thus it is an aban number.