102123042034 has 16 divisors (see below), whose sum is σ = 165563554968. Its totient is φ = 46963550592.

The previous prime is 102123042019. The next prime is 102123042053. The reversal of 102123042034 is 430240321201.

It can be written as a sum of positive squares in 4 ways, for example, as 30344594809 + 71778447225 = 174197^2 + 267915^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102123041996 and 102123042014.

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, 7082707 + ... + 7097110.

Almost surely, 2^102123042034 is an apocalyptic number.

102123042034 is a deficient number, since it is larger than the sum of its proper divisors (63440512934).

102123042034 is a wasteful number, since it uses less digits than its factorization.

102123042034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14180109.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102123042034 its reverse (430240321201), we get a palindrome (532363363235).

The spelling of 102123042034 in words is "one hundred two billion, one hundred twenty-three million, forty-two thousand, thirty-four".