1303230420523 has 8 divisors (see below), whose sum is σ = 1315126739808. Its totient is φ = 1291340475264.

The previous prime is 1303230420509. The next prime is 1303230420533. The reversal of 1303230420523 is 3250240323031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303230420523 - 2¹⁷ = 1303230289451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303230420491 and 1303230420500.

It is not an unprimeable number, because it can be changed into a prime (1303230420533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182240 + ... + 2001037.

It is an arithmetic number, because the mean of its divisors is an integer number (164390842476).

Almost surely, 2^{1303230420523} is an apocalyptic number.

1303230420523 is a deficient number, since it is larger than the sum of its proper divisors (11896319285).

1303230420523 is a wasteful number, since it uses less digits than its factorization.

1303230420523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187013.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 1303230420523 its reverse (3250240323031), we get a palindrome (4553470743554).

The spelling of 1303230420523 in words is "one trillion, three hundred three billion, two hundred thirty million, four hundred twenty thousand, five hundred twenty-three".