1023300542015 has 16 divisors (see below), whose sum is σ = 1234855119168. Its totient is φ = 814048574976.

The previous prime is 1023300542009. The next prime is 1023300542071. The reversal of 1023300542015 is 5102450033201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1023300542015 - 2²⁰ = 1023299493439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567574 + ... + 2122236.

It is an arithmetic number, because the mean of its divisors is an integer number (77178444948).

Almost surely, 2^{1023300542015} is an apocalyptic number.

1023300542015 is a deficient number, since it is larger than the sum of its proper divisors (211554577153).

1023300542015 is a wasteful number, since it uses less digits than its factorization.

1023300542015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556738.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1023300542015 its reverse (5102450033201), we get a palindrome (6125750575216).

The spelling of 1023300542015 in words is "one trillion, twenty-three billion, three hundred million, five hundred forty-two thousand, fifteen".