1023300203453 has 4 divisors (see below), whose sum is σ = 1116327494688. Its totient is φ = 930272912220.

The previous prime is 1023300203383. The next prime is 1023300203467. The reversal of 1023300203453 is 3543020033201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1023300203453 - 2¹² = 1023300199357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023300203153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46513645601 + ... + 46513645622.

It is an arithmetic number, because the mean of its divisors is an integer number (279081873672).

Almost surely, 2^{1023300203453} is an apocalyptic number.

It is an amenable number.

1023300203453 is a deficient number, since it is larger than the sum of its proper divisors (93027291235).

1023300203453 is an equidigital number, since it uses as much as digits as its factorization.

1023300203453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93027291234.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 1023300203453 its reverse (3543020033201), we get a palindrome (4566320236654).

The spelling of 1023300203453 in words is "one trillion, twenty-three billion, three hundred million, two hundred three thousand, four hundred fifty-three".