1020413344123 has 8 divisors (see below), whose sum is σ = 1021009794560. Its totient is φ = 1019817063720.

The previous prime is 1020413344121. The next prime is 1020413344127. The reversal of 1020413344123 is 3214433140201.

It is a happy number.

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 1020413344123 - 2¹ = 1020413344121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020413344091 and 1020413344100.

It is not an unprimeable number, because it can be changed into a prime (1020413344121) 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, 13129408 + ... + 13206898.

It is an arithmetic number, because the mean of its divisors is an integer number (127626224320).

Almost surely, 2^{1020413344123} is an apocalyptic number.

1020413344123 is a deficient number, since it is larger than the sum of its proper divisors (596450437).

1020413344123 is an equidigital number, since it uses as much as digits as its factorization.

1020413344123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85017.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1020413344123 its reverse (3214433140201), we get a palindrome (4234846484324).

The spelling of 1020413344123 in words is "one trillion, twenty billion, four hundred thirteen million, three hundred forty-four thousand, one hundred twenty-three".