63155123 has 2 divisors, whose sum is σ = 63155124. Its totient is φ = 63155122.

The previous prime is 63155117. The next prime is 63155143. The reversal of 63155123 is 32155136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63155123 - 2⁸ = 63154867 is a prime.

It is a super-2 number, since 2×63155123² = 7977139122290258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63155092 and 63155101.

It is not a weakly prime, because it can be changed into another prime (63155143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31577561 + 31577562.

It is an arithmetic number, because the mean of its divisors is an integer number (31577562).

Almost surely, 2^63155123 is an apocalyptic number.

63155123 is a deficient number, since it is larger than the sum of its proper divisors (1).

63155123 is an equidigital number, since it uses as much as digits as its factorization.

63155123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 63155123 is about 7947.0197558582. The cubic root of 63155123 is about 398.2320368619.

The spelling of 63155123 in words is "sixty-three million, one hundred fifty-five thousand, one hundred twenty-three".