123141010402 has 24 divisors (see below), whose sum is σ = 199750003740. Its totient is φ = 56862701280.

The previous prime is 123141010283. The next prime is 123141010427. The reversal of 123141010402 is 204010141321.

It can be written as a sum of positive squares in 2 ways, for example, as 113117196241 + 10023814161 = 336329^2 + 100119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123141010402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1976049 + ... + 2037412.

Almost surely, 2^123141010402 is an apocalyptic number.

123141010402 is a deficient number, since it is larger than the sum of its proper divisors (76608993338).

123141010402 is a wasteful number, since it uses less digits than its factorization.

123141010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013538 (or 4013515 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123141010402 its reverse (204010141321), we get a palindrome (327151151723).

The spelling of 123141010402 in words is "one hundred twenty-three billion, one hundred forty-one million, ten thousand, four hundred two".