150221216423 has 16 divisors (see below), whose sum is σ = 154912931712. Its totient is φ = 145588212000.

The previous prime is 150221216417. The next prime is 150221216437. The reversal of 150221216423 is 324612122051.

It is a cyclic number.

It is not a de Polignac number, because 150221216423 - 2¹⁰ = 150221215399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150221216413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2978153 + ... + 3028173.

It is an arithmetic number, because the mean of its divisors is an integer number (9682058232).

Almost surely, 2^150221216423 is an apocalyptic number.

150221216423 is a deficient number, since it is larger than the sum of its proper divisors (4691715289).

150221216423 is a wasteful number, since it uses less digits than its factorization.

150221216423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 150221216423 its reverse (324612122051), we get a palindrome (474833338474).

The spelling of 150221216423 in words is "one hundred fifty billion, two hundred twenty-one million, two hundred sixteen thousand, four hundred twenty-three".