150223400532121 has 24 divisors (see below), whose sum is σ = 175763774858184. Its totient is φ = 128015713405440.

The previous prime is 150223400532119. The next prime is 150223400532167. The reversal of 150223400532121 is 121235004322051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106609527885721 + 43613872646400 = 10325189^2 + 6604080^2 .

It is not a de Polignac number, because 150223400532121 - 2¹ = 150223400532119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150223400532181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426496801 + ... + 426848881.

It is an arithmetic number, because the mean of its divisors is an integer number (7323490619091).

Almost surely, 2^{150223400532121} is an apocalyptic number.

It is an amenable number.

150223400532121 is a deficient number, since it is larger than the sum of its proper divisors (25540374326063).

150223400532121 is a wasteful number, since it uses less digits than its factorization.

150223400532121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402601 (or 402594 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 150223400532121 its reverse (121235004322051), we get a palindrome (271458404854172).

The spelling of 150223400532121 in words is "one hundred fifty trillion, two hundred twenty-three billion, four hundred million, five hundred thirty-two thousand, one hundred twenty-one".