15634612223 has 2 divisors, whose sum is σ = 15634612224. Its totient is φ = 15634612222.

The previous prime is 15634612183. The next prime is 15634612229. The reversal of 15634612223 is 32221643651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15634612223 - 2⁶ = 15634612159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15634612229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7817306111 + 7817306112.

It is an arithmetic number, because the mean of its divisors is an integer number (7817306112).

Almost surely, 2^15634612223 is an apocalyptic number.

15634612223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15634612223 is an equidigital number, since it uses as much as digits as its factorization.

15634612223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The spelling of 15634612223 in words is "fifteen billion, six hundred thirty-four million, six hundred twelve thousand, two hundred twenty-three".