123649496 has 16 divisors (see below), whose sum is σ = 232112040. Its totient is φ = 61752960.

The previous prime is 123649447. The next prime is 123649507. The reversal of 123649496 is 694946321.

It is a happy number.

It is a super-2 number, since 2×123649496² = 30578395722108032, 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, 1265 + ... + 15776.

Almost surely, 2^123649496 is an apocalyptic number.

It is an amenable number.

123649496 is a deficient number, since it is larger than the sum of its proper divisors (108462544).

123649496 is a wasteful number, since it uses less digits than its factorization.

123649496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17954 (or 17950 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 123649496 is about 11119.7794942166. The cubic root of 123649496 is about 498.1928039545.

The spelling of 123649496 in words is "one hundred twenty-three million, six hundred forty-nine thousand, four hundred ninety-six".