3516145123 has 4 divisors (see below), whose sum is σ = 3518443288. Its totient is φ = 3513846960.

The previous prime is 3516145121. The next prime is 3516145183. The reversal of 3516145123 is 3215416153.

3516145123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215416153 = 4639 ⋅693127.

It is a cyclic number.

It is not a de Polignac number, because 3516145123 - 2¹ = 3516145121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3516145121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146786 + ... + 1149847.

It is an arithmetic number, because the mean of its divisors is an integer number (879610822).

Almost surely, 2^3516145123 is an apocalyptic number.

3516145123 is a deficient number, since it is larger than the sum of its proper divisors (2298165).

3516145123 is a wasteful number, since it uses less digits than its factorization.

3516145123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298164.

The product of its digits is 10800, while the sum is 31.

The square root of 3516145123 is about 59297.0920281931. The cubic root of 3516145123 is about 1520.6254816999.

The spelling of 3516145123 in words is "three billion, five hundred sixteen million, one hundred forty-five thousand, one hundred twenty-three".