63155106523 has 8 divisors (see below), whose sum is σ = 64199741760. Its totient is φ = 62118930240.

The previous prime is 63155106517. The next prime is 63155106529. The reversal of 63155106523 is 32560155136.

It is an interprime number because it is at equal distance from previous prime (63155106517) and next prime (63155106529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63155106523 - 2²⁹ = 62618235611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63155106529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099683 + ... + 2129548.

It is an arithmetic number, because the mean of its divisors is an integer number (8024967720).

Almost surely, 2^63155106523 is an apocalyptic number.

63155106523 is a deficient number, since it is larger than the sum of its proper divisors (1044635237).

63155106523 is a wasteful number, since it uses less digits than its factorization.

63155106523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229477.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 63155106523 in words is "sixty-three billion, one hundred fifty-five million, one hundred six thousand, five hundred twenty-three".