123943982 has 8 divisors (see below), whose sum is σ = 189871776. Its totient is φ = 60653392.

The previous prime is 123943961. The next prime is 123944003. The reversal of 123943982 is 289349321.

It is an interprime number because it is at equal distance from previous prime (123943961) and next prime (123944003).

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

It is a super-2 number, since 2×123943982² = 30724221348032648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659183 + ... + 659370.

It is an arithmetic number, because the mean of its divisors is an integer number (23733972).

Almost surely, 2^123943982 is an apocalyptic number.

123943982 is a deficient number, since it is larger than the sum of its proper divisors (65927794).

123943982 is a wasteful number, since it uses less digits than its factorization.

123943982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318602.

The product of its digits is 93312, while the sum is 41.

The square root of 123943982 is about 11133.0131590688. The cubic root of 123943982 is about 498.5879922217.

The spelling of 123943982 in words is "one hundred twenty-three million, nine hundred forty-three thousand, nine hundred eighty-two".