681123034 has 16 divisors (see below), whose sum is σ = 1045584288. Its totient is φ = 332652112.

The previous prime is 681123019. The next prime is 681123049. The reversal of 681123034 is 430321186.

It is an interprime number because it is at equal distance from previous prime (681123019) and next prime (681123049).

It is a junction number, because it is equal to n+sod(n) for n = 681122993 and 681123011.

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, 9909 + ... + 38215.

It is an arithmetic number, because the mean of its divisors is an integer number (65349018).

Almost surely, 2^681123034 is an apocalyptic number.

681123034 is a deficient number, since it is larger than the sum of its proper divisors (364461254).

681123034 is a wasteful number, since it uses less digits than its factorization.

681123034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28589.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 681123034 is about 26098.3339314984. Note that the first 3 decimals coincide. The cubic root of 681123034 is about 879.8497651589.

The spelling of 681123034 in words is "six hundred eighty-one million, one hundred twenty-three thousand, thirty-four".