123868884258 has 32 divisors (see below), whose sum is σ = 314587643520. Its totient is φ = 35391109680.

The previous prime is 123868884199. The next prime is 123868884277. The reversal of 123868884258 is 852488868321.

123868884258 is a `hidden beast` number, since 123 + 8 + 6 + 8 + 88 + 425 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 123868884195 and 123868884204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163847353 + ... + 163848108.

It is an arithmetic number, because the mean of its divisors is an integer number (9830863860).

Almost surely, 2^123868884258 is an apocalyptic number.

123868884258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123868884258 is an abundant number, since it is smaller than the sum of its proper divisors (190718759262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123868884258 is a wasteful number, since it uses less digits than its factorization.

123868884258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327695479 (or 327695473 counting only the distinct ones).

The product of its digits is 47185920, while the sum is 63.

The spelling of 123868884258 in words is "one hundred twenty-three billion, eight hundred sixty-eight million, eight hundred eighty-four thousand, two hundred fifty-eight".