1023232121203 has 4 divisors (see below), whose sum is σ = 1023510858768. Its totient is φ = 1022953383640.

The previous prime is 1023232121183. The next prime is 1023232121269. The reversal of 1023232121203 is 3021212323201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023232121203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023232121503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139363276 + ... + 139370617.

It is an arithmetic number, because the mean of its divisors is an integer number (255877714692).

Almost surely, 2^{1023232121203} is an apocalyptic number.

1023232121203 is a deficient number, since it is larger than the sum of its proper divisors (278737565).

1023232121203 is an equidigital number, since it uses as much as digits as its factorization.

1023232121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278737564.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1023232121203 its reverse (3021212323201), we get a palindrome (4044444444404).

The spelling of 1023232121203 in words is "one trillion, twenty-three billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred three".