1403312052123 has 16 divisors (see below), whose sum is σ = 2079016202400. Its totient is φ = 935525445120.

The previous prime is 1403312052097. The next prime is 1403312052133. The reversal of 1403312052123 is 3212502133041.

1403312052123 is a `hidden beast` number, since 1 + 4 + 0 + 331 + 205 + 2 + 123 = 666.

It is not a de Polignac number, because 1403312052123 - 2³² = 1399017084827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1403312052133) 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, 1297923 + ... + 2119251.

It is an arithmetic number, because the mean of its divisors is an integer number (129938512650).

Almost surely, 2^{1403312052123} is an apocalyptic number.

1403312052123 is a deficient number, since it is larger than the sum of its proper divisors (675704150277).

1403312052123 is an equidigital number, since it uses as much as digits as its factorization.

1403312052123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884619 (or 884613 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1403312052123 its reverse (3212502133041), we get a palindrome (4615814185164).

The spelling of 1403312052123 in words is "one trillion, four hundred three billion, three hundred twelve million, fifty-two thousand, one hundred twenty-three".