4045605123 has 32 divisors (see below), whose sum is σ = 6359514624. Its totient is φ = 2239287552.

The previous prime is 4045605101. The next prime is 4045605133. The reversal of 4045605123 is 3215065404.

4045605123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045605123 - 2⁸ = 4045604867 is a prime.

It is a super-2 number, since 2×4045605123² = 32733841622487690258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4045605133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164911 + ... + 187847.

It is an arithmetic number, because the mean of its divisors is an integer number (198734832).

Almost surely, 2^4045605123 is an apocalyptic number.

4045605123 is a deficient number, since it is larger than the sum of its proper divisors (2313909501).

4045605123 is a wasteful number, since it uses less digits than its factorization.

4045605123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23211.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 4045605123 is about 63605.0715194944. The cubic root of 4045605123 is about 1593.4110705591.

The spelling of 4045605123 in words is "four billion, forty-five million, six hundred five thousand, one hundred twenty-three".