3123874378 has 32 divisors (see below), whose sum is σ = 4934723472. Its totient is φ = 1481625600.

The previous prime is 3123874367. The next prime is 3123874447. The reversal of 3123874378 is 8734783213.

It can be written as a sum of positive squares in 8 ways, for example, as 78269409 + 3045604969 = 8847^2 + 55187^2 .

It is a super-2 number, since 2×3123874378² = 19517182259049773768, which contains 22 as substring.

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, 487918 + ... + 494278.

Almost surely, 2^3123874378 is an apocalyptic number.

3123874378 is a deficient number, since it is larger than the sum of its proper divisors (1810849094).

3123874378 is a wasteful number, since it uses less digits than its factorization.

3123874378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its digits is 677376, while the sum is 46.

The square root of 3123874378 is about 55891.6306614863. The cubic root of 3123874378 is about 1461.8333099623.

The spelling of 3123874378 in words is "three billion, one hundred twenty-three million, eight hundred seventy-four thousand, three hundred seventy-eight".