123049187963 has 32 divisors (see below), whose sum is σ = 142374758400. Its totient is φ = 105513722496.

The previous prime is 123049187929. The next prime is 123049187981. The reversal of 123049187963 is 369781940321.

It is not a de Polignac number, because 123049187963 - 2¹² = 123049183867 is a prime.

It is a super-2 number, since 2×123049187963² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123049181963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986570 + ... + 1104272.

It is an arithmetic number, because the mean of its divisors is an integer number (4449211200).

Almost surely, 2^123049187963 is an apocalyptic number.

123049187963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123049187963 is a deficient number, since it is larger than the sum of its proper divisors (19325570437).

123049187963 is a wasteful number, since it uses less digits than its factorization.

123049187963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117851.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 123049187963 in words is "one hundred twenty-three billion, forty-nine million, one hundred eighty-seven thousand, nine hundred sixty-three".