11402402412123 has 8 divisors (see below), whose sum is σ = 16892448018000. Its totient is φ = 7601601608064.

The previous prime is 11402402412103. The next prime is 11402402412133. The reversal of 11402402412123 is 32121420420411.

11402402412123 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 2 + 402 + 41 + 212 + 3 = 666.

It is not a de Polignac number, because 11402402412123 - 2⁸ = 11402402411867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 422311200449 = 11402402412123 / (1 + 1 + 4 + 0 + 2 + 4 + 0 + 2 + 4 + 1 + 2 + 1 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (11402402412103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211155600198 + ... + 211155600251.

It is an arithmetic number, because the mean of its divisors is an integer number (2111556002250).

Almost surely, 2^{11402402412123} is an apocalyptic number.

11402402412123 is a deficient number, since it is larger than the sum of its proper divisors (5490045605877).

11402402412123 is an equidigital number, since it uses as much as digits as its factorization.

11402402412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422311200458 (or 422311200452 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11402402412123 its reverse (32121420420411), we get a palindrome (43523822832534).

The spelling of 11402402412123 in words is "eleven trillion, four hundred two billion, four hundred two million, four hundred twelve thousand, one hundred twenty-three".