5405102123 has 4 divisors (see below), whose sum is σ = 5579460288. Its totient is φ = 5230743960.

The previous prime is 5405102113. The next prime is 5405102147. The reversal of 5405102123 is 3212015045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5405102123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87179036 + ... + 87179097.

It is an arithmetic number, because the mean of its divisors is an integer number (1394865072).

Almost surely, 2^5405102123 is an apocalyptic number.

5405102123 is a deficient number, since it is larger than the sum of its proper divisors (174358165).

5405102123 is a wasteful number, since it uses less digits than its factorization.

5405102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174358164.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5405102123 is about 73519.3996371026. The cubic root of 5405102123 is about 1754.9630133735.

Adding to 5405102123 its reverse (3212015045), we get a palindrome (8617117168).

The spelling of 5405102123 in words is "five billion, four hundred five million, one hundred two thousand, one hundred twenty-three".