151312123 has 2 divisors, whose sum is σ = 151312124. Its totient is φ = 151312122.

The previous prime is 151312103. The next prime is 151312153. The reversal of 151312123 is 321213151.

151312123 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151312123 - 2¹³ = 151303931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151312123.

It is not a weakly prime, because it can be changed into another prime (151312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75656061 + 75656062.

It is an arithmetic number, because the mean of its divisors is an integer number (75656062).

Almost surely, 2^151312123 is an apocalyptic number.

151312123 is a deficient number, since it is larger than the sum of its proper divisors (1).

151312123 is an equidigital number, since it uses as much as digits as its factorization.

151312123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 151312123 is about 12300.8992760692. The cubic root of 151312123 is about 532.8740543024.

Adding to 151312123 its reverse (321213151), we get a palindrome (472525274).

The spelling of 151312123 in words is "one hundred fifty-one million, three hundred twelve thousand, one hundred twenty-three".