1648369263123 has 16 divisors (see below), whose sum is σ = 2664031132800. Its totient is φ = 999011674440.

The previous prime is 1648369263119. The next prime is 1648369263143. The reversal of 1648369263123 is 3213629638461.

1648369263123 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 369 + 263 + 12 + 3 = 666.

It is not a de Polignac number, because 1648369263123 - 2² = 1648369263119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1648369263123.

It is not an unprimeable number, because it can be changed into a prime (1648369263143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775032133 + ... + 2775032726.

It is an arithmetic number, because the mean of its divisors is an integer number (166501945800).

Almost surely, 2^{1648369263123} is an apocalyptic number.

1648369263123 is a deficient number, since it is larger than the sum of its proper divisors (1015661869677).

1648369263123 is a wasteful number, since it uses less digits than its factorization.

1648369263123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550064879 (or 5550064873 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 1648369263123 in words is "one trillion, six hundred forty-eight billion, three hundred sixty-nine million, two hundred sixty-three thousand, one hundred twenty-three".