1023420453315 has 64 divisors (see below), whose sum is σ = 1856933836800. Its totient is φ = 477142700544.

The previous prime is 1023420453221. The next prime is 1023420453317. The reversal of 1023420453315 is 5133540243201.

1023420453315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1023420453315 - 2⁸ = 1023420453059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023420453317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10201821 + ... + 10301649.

It is an arithmetic number, because the mean of its divisors is an integer number (29014591200).

Almost surely, 2^{1023420453315} is an apocalyptic number.

1023420453315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023420453315 is a deficient number, since it is larger than the sum of its proper divisors (833513383485).

1023420453315 is a wasteful number, since it uses less digits than its factorization.

1023420453315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102636.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 1023420453315 its reverse (5133540243201), we get a palindrome (6156960696516).

The spelling of 1023420453315 in words is "one trillion, twenty-three billion, four hundred twenty million, four hundred fifty-three thousand, three hundred fifteen".