15150151623 has 4 divisors (see below), whose sum is σ = 20200202168. Its totient is φ = 10100101080.

The previous prime is 15150151591. The next prime is 15150151633. The reversal of 15150151623 is 32615105151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32615105151 = 3 ⋅10871701717.

It is not a de Polignac number, because 15150151623 - 2⁵ = 15150151591 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 (15150151633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525025268 + ... + 2525025273.

It is an arithmetic number, because the mean of its divisors is an integer number (5050050542).

Almost surely, 2^15150151623 is an apocalyptic number.

15150151623 is a deficient number, since it is larger than the sum of its proper divisors (5050050545).

15150151623 is an equidigital number, since it uses as much as digits as its factorization.

15150151623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050050544.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 15150151623 its reverse (32615105151), we get a palindrome (47765256774).

The spelling of 15150151623 in words is "fifteen billion, one hundred fifty million, one hundred fifty-one thousand, six hundred twenty-three".