123493746 has 48 divisors (see below), whose sum is σ = 264363840. Its totient is φ = 38449920.

The previous prime is 123493723. The next prime is 123493751. The reversal of 123493746 is 647394321.

It is a super-2 number, since 2×123493746² = 30501410602225032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396931 + ... + 397241.

It is an arithmetic number, because the mean of its divisors is an integer number (5507580).

Almost surely, 2^123493746 is an apocalyptic number.

123493746 is an abundant number, since it is smaller than the sum of its proper divisors (140870094).

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

123493746 is a wasteful number, since it uses less digits than its factorization.

123493746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 562 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 123493746 is about 11112.7740011214. The cubic root of 123493746 is about 497.9835400440.

The spelling of 123493746 in words is "one hundred twenty-three million, four hundred ninety-three thousand, seven hundred forty-six".