151223143503 has 16 divisors (see below), whose sum is σ = 204411224160. Its totient is φ = 99425493504.

The previous prime is 151223143469. The next prime is 151223143529. The reversal of 151223143503 is 305341322151.

It is not a de Polignac number, because 151223143503 - 2⁶ = 151223143439 is a prime.

It is a super-2 number, since 2×151223143503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151223143543) 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, 3181033 + ... + 3228221.

It is an arithmetic number, because the mean of its divisors is an integer number (12775701510).

Almost surely, 2^151223143503 is an apocalyptic number.

151223143503 is a deficient number, since it is larger than the sum of its proper divisors (53188080657).

151223143503 is a wasteful number, since it uses less digits than its factorization.

151223143503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61898.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 151223143503 its reverse (305341322151), we get a palindrome (456564465654).

The spelling of 151223143503 in words is "one hundred fifty-one billion, two hundred twenty-three million, one hundred forty-three thousand, five hundred three".