2123177208 has 32 divisors (see below), whose sum is σ = 5322428160. Its totient is φ = 705794400.

The previous prime is 2123177131. The next prime is 2123177269. The reversal of 2123177208 is 8027713212.

It is a congruent number.

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, 111718 + ... + 129333.

It is an arithmetic number, because the mean of its divisors is an integer number (166325880).

Almost surely, 2^2123177208 is an apocalyptic number.

It is an amenable number.

2123177208 is an abundant number, since it is smaller than the sum of its proper divisors (3199250952).

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

2123177208 is a wasteful number, since it uses less digits than its factorization.

2123177208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241427 (or 241423 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 2123177208 is about 46077.9470896871. The cubic root of 2123177208 is about 1285.2730892686.

The spelling of 2123177208 in words is "two billion, one hundred twenty-three million, one hundred seventy-seven thousand, two hundred eight".