1023233313145 has 4 divisors (see below), whose sum is σ = 1227879975780. Its totient is φ = 818586650512.

The previous prime is 1023233313127. The next prime is 1023233313169. The reversal of 1023233313145 is 5413133323201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440191113961 + 583042199184 = 663469^2 + 763572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023233313145 - 2⁷ = 1023233313017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102323331310 + ... + 102323331319.

It is an arithmetic number, because the mean of its divisors is an integer number (306969993945).

Almost surely, 2^{1023233313145} is an apocalyptic number.

It is an amenable number.

1023233313145 is a deficient number, since it is larger than the sum of its proper divisors (204646662635).

1023233313145 is an equidigital number, since it uses as much as digits as its factorization.

1023233313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204646662634.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1023233313145 its reverse (5413133323201), we get a palindrome (6436366636346).

The spelling of 1023233313145 in words is "one trillion, twenty-three billion, two hundred thirty-three million, three hundred thirteen thousand, one hundred forty-five".