151315123 has 4 divisors (see below), whose sum is σ = 156196288. Its totient is φ = 146433960.

The previous prime is 151315121. The next prime is 151315141. The reversal of 151315123 is 321513151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151315123 - 2¹ = 151315121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151315094 and 151315103.

It is not an unprimeable number, because it can be changed into a prime (151315121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2440536 + ... + 2440597.

It is an arithmetic number, because the mean of its divisors is an integer number (39049072).

Almost surely, 2^151315123 is an apocalyptic number.

151315123 is a deficient number, since it is larger than the sum of its proper divisors (4881165).

151315123 is an equidigital number, since it uses as much as digits as its factorization.

151315123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881164.

The product of its digits is 450, while the sum is 22.

The square root of 151315123 is about 12301.0212177689. The cubic root of 151315123 is about 532.8775759669.

Adding to 151315123 its reverse (321513151), we get a palindrome (472828274).

The spelling of 151315123 in words is "one hundred fifty-one million, three hundred fifteen thousand, one hundred twenty-three".