15506023343 has 2 divisors, whose sum is σ = 15506023344. Its totient is φ = 15506023342.

The previous prime is 15506023333. The next prime is 15506023349. The reversal of 15506023343 is 34332060551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15506023343 - 2⁶ = 15506023279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15506023349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7753011671 + 7753011672.

It is an arithmetic number, because the mean of its divisors is an integer number (7753011672).

Almost surely, 2^15506023343 is an apocalyptic number.

15506023343 is a deficient number, since it is larger than the sum of its proper divisors (1).

15506023343 is an equidigital number, since it uses as much as digits as its factorization.

15506023343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 15506023343 its reverse (34332060551), we get a palindrome (49838083894).

The spelling of 15506023343 in words is "fifteen billion, five hundred six million, twenty-three thousand, three hundred forty-three".