1023200140145 has 32 divisors (see below), whose sum is σ = 1350111801600. Its totient is φ = 740961644544.

The previous prime is 1023200140133. The next prime is 1023200140147. The reversal of 1023200140145 is 5410410023201.

It is a cyclic number.

It is not a de Polignac number, because 1023200140145 - 2¹⁶ = 1023200074609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1023200140145.

It is not an unprimeable number, because it can be changed into a prime (1023200140147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777829 + ... + 2281901.

It is an arithmetic number, because the mean of its divisors is an integer number (42190993800).

Almost surely, 2^{1023200140145} is an apocalyptic number.

It is an amenable number.

1023200140145 is a deficient number, since it is larger than the sum of its proper divisors (326911661455).

1023200140145 is a wasteful number, since it uses less digits than its factorization.

1023200140145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505049.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1023200140145 its reverse (5410410023201), we get a palindrome (6433610163346).

The spelling of 1023200140145 in words is "one trillion, twenty-three billion, two hundred million, one hundred forty thousand, one hundred forty-five".