123940676 has 24 divisors (see below), whose sum is σ = 235866456. Its totient is φ = 56747520.

The previous prime is 123940637. The next prime is 123940681. The reversal of 123940676 is 676049321.

It can be written as a sum of positive squares in 4 ways, for example, as 46922500 + 77018176 = 6850^2 + 8776^2 .

It is a super-2 number, since 2×123940676² = 30722582334673952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22115 + ... + 27146.

It is an arithmetic number, because the mean of its divisors is an integer number (9827769).

Almost surely, 2^123940676 is an apocalyptic number.

It is an amenable number.

123940676 is a deficient number, since it is larger than the sum of its proper divisors (111925780).

123940676 is a wasteful number, since it uses less digits than its factorization.

123940676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49319 (or 49317 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 123940676 is about 11132.8646807549. The cubic root of 123940676 is about 498.5835591799.

Adding to 123940676 its reverse (676049321), we get a palindrome (799989997).

The spelling of 123940676 in words is "one hundred twenty-three million, nine hundred forty thousand, six hundred seventy-six".