15223232461 has 4 divisors (see below), whose sum is σ = 15547131072. Its totient is φ = 14899333852.

The previous prime is 15223232377. The next prime is 15223232491. The reversal of 15223232461 is 16423232251.

15223232461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15223232461 - 2¹¹ = 15223230413 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 (15223232491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161949235 + ... + 161949328.

It is an arithmetic number, because the mean of its divisors is an integer number (3886782768).

Almost surely, 2^15223232461 is an apocalyptic number.

It is an amenable number.

15223232461 is a deficient number, since it is larger than the sum of its proper divisors (323898611).

15223232461 is an equidigital number, since it uses as much as digits as its factorization.

15223232461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323898610.

The product of its digits is 17280, while the sum is 31.

The spelling of 15223232461 in words is "fifteen billion, two hundred twenty-three million, two hundred thirty-two thousand, four hundred sixty-one".