123071641563 has 8 divisors (see below), whose sum is σ = 176718254608. Its totient is φ = 75736394784.

The previous prime is 123071641549. The next prime is 123071641577. The reversal of 123071641563 is 365146170321.

It is an interprime number because it is at equal distance from previous prime (123071641549) and next prime (123071641577).

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

It is not a de Polignac number, because 123071641563 - 2⁹ = 123071641051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3155683117 = 123071641563 / (1 + 2 + 3 + 0 + 7 + 1 + 6 + 4 + 1 + 5 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123071640563) 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, 1577841520 + ... + 1577841597.

It is an arithmetic number, because the mean of its divisors is an integer number (22089781826).

Almost surely, 2^123071641563 is an apocalyptic number.

123071641563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123071641563 is a deficient number, since it is larger than the sum of its proper divisors (53646613045).

123071641563 is a wasteful number, since it uses less digits than its factorization.

123071641563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155683133.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 123071641563 in words is "one hundred twenty-three billion, seventy-one million, six hundred forty-one thousand, five hundred sixty-three".