15323412047 has 2 divisors, whose sum is σ = 15323412048. Its totient is φ = 15323412046.

The previous prime is 15323412031. The next prime is 15323412067. The reversal of 15323412047 is 74021432351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15323412047 - 2⁴ = 15323412031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15323412007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7661706023 + 7661706024.

It is an arithmetic number, because the mean of its divisors is an integer number (7661706024).

Almost surely, 2^15323412047 is an apocalyptic number.

15323412047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15323412047 is an equidigital number, since it uses as much as digits as its factorization.

15323412047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 15323412047 its reverse (74021432351), we get a palindrome (89344844398).

The spelling of 15323412047 in words is "fifteen billion, three hundred twenty-three million, four hundred twelve thousand, forty-seven".