1023343310403 has 16 divisors (see below), whose sum is σ = 1517031720960. Its totient is φ = 681793472808.

The previous prime is 1023343310323. The next prime is 1023343310413. The reversal of 1023343310403 is 3040133433201.

1023343310403 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 343 + 310 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 1023343310403 - 2¹⁴ = 1023343294019 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 (1023343310413) 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, 12051375 + ... + 12135992.

It is an arithmetic number, because the mean of its divisors is an integer number (94814482560).

Almost surely, 2^{1023343310403} is an apocalyptic number.

1023343310403 is a deficient number, since it is larger than the sum of its proper divisors (493688410557).

1023343310403 is a wasteful number, since it uses less digits than its factorization.

1023343310403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24188943 (or 24188937 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1023343310403 its reverse (3040133433201), we get a palindrome (4063476743604).

The spelling of 1023343310403 in words is "one trillion, twenty-three billion, three hundred forty-three million, three hundred ten thousand, four hundred three".