210123032104 has 16 divisors (see below), whose sum is σ = 394017553620. Its totient is φ = 105051684480.

The previous prime is 210123032101. The next prime is 210123032111. The reversal of 210123032104 is 401230321012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145693363204 + 64429668900 = 381698^2 + 253830^2 .

It is a super-2 number, since 2×210123032104² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210123032101) 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, 1137717 + ... + 1309444.

Almost surely, 2^210123032104 is an apocalyptic number.

It is an amenable number.

210123032104 is a deficient number, since it is larger than the sum of its proper divisors (183894521516).

210123032104 is a wasteful number, since it uses less digits than its factorization.

210123032104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457900 (or 2457896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210123032104 its reverse (401230321012), we get a palindrome (611353353116).

The spelling of 210123032104 in words is "two hundred ten billion, one hundred twenty-three million, thirty-two thousand, one hundred four".