151250221423 has 4 divisors (see below), whose sum is σ = 172857395920. Its totient is φ = 129643046928.

The previous prime is 151250221361. The next prime is 151250221429. The reversal of 151250221423 is 324122052151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324122052151 = 23 ⋅14092263137.

It is a cyclic number.

It is not a de Polignac number, because 151250221423 - 2¹⁷ = 151250090351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151250221391 and 151250221400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151250221429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10803587238 + ... + 10803587251.

It is an arithmetic number, because the mean of its divisors is an integer number (43214348980).

Almost surely, 2^151250221423 is an apocalyptic number.

151250221423 is a deficient number, since it is larger than the sum of its proper divisors (21607174497).

151250221423 is an equidigital number, since it uses as much as digits as its factorization.

151250221423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21607174496.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 151250221423 its reverse (324122052151), we get a palindrome (475372273574).

The spelling of 151250221423 in words is "one hundred fifty-one billion, two hundred fifty million, two hundred twenty-one thousand, four hundred twenty-three".