151233123 has 4 divisors (see below), whose sum is σ = 201644168. Its totient is φ = 100822080.

The previous prime is 151233101. The next prime is 151233127. The reversal of 151233123 is 321332151.

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

It is not a de Polignac number, because 151233123 - 2¹⁰ = 151232099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151233123.

It is not an unprimeable number, because it can be changed into a prime (151233127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25205518 + ... + 25205523.

It is an arithmetic number, because the mean of its divisors is an integer number (50411042).

Almost surely, 2^151233123 is an apocalyptic number.

151233123 is a deficient number, since it is larger than the sum of its proper divisors (50411045).

151233123 is an equidigital number, since it uses as much as digits as its factorization.

151233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50411044.

The product of its digits is 540, while the sum is 21.

The square root of 151233123 is about 12297.6877094843. The cubic root of 151233123 is about 532.7813003801.

Adding to 151233123 its reverse (321332151), we get a palindrome (472565274).

The spelling of 151233123 in words is "one hundred fifty-one million, two hundred thirty-three thousand, one hundred twenty-three".