1023230111202 has 128 divisors (see below), whose sum is σ = 2614913280000. Its totient is φ = 294177381120.

The previous prime is 1023230111191. The next prime is 1023230111203. The reversal of 1023230111202 is 2021110323201.

1023230111202 is a `hidden beast` number, since 10 + 232 + 301 + 1 + 120 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1023230111203) 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, 179577 + ... + 1441772.

It is an arithmetic number, because the mean of its divisors is an integer number (20429010000).

Almost surely, 2^{1023230111202} is an apocalyptic number.

1023230111202 is an abundant number, since it is smaller than the sum of its proper divisors (1591683168798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023230111202 is a wasteful number, since it uses less digits than its factorization.

1023230111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621433 (or 1621427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1023230111202 its reverse (2021110323201), we get a palindrome (3044340434403).

The spelling of 1023230111202 in words is "one trillion, twenty-three billion, two hundred thirty million, one hundred eleven thousand, two hundred two".