1023202203123 has 8 divisors (see below), whose sum is σ = 1364277409488. Its totient is φ = 682130899424.

The previous prime is 1023202203119. The next prime is 1023202203167. The reversal of 1023202203123 is 3213022023201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023202203123 - 2² = 1023202203119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023202203123.

It is not an unprimeable number, because it can be changed into a prime (1023202203103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296340 + ... + 1460897.

It is an arithmetic number, because the mean of its divisors is an integer number (170534676186).

Almost surely, 2^{1023202203123} is an apocalyptic number.

1023202203123 is a deficient number, since it is larger than the sum of its proper divisors (341075206365).

1023202203123 is a wasteful number, since it uses less digits than its factorization.

1023202203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951333.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1023202203123 its reverse (3213022023201), we get a palindrome (4236224226324).

The spelling of 1023202203123 in words is "one trillion, twenty-three billion, two hundred two million, two hundred three thousand, one hundred twenty-three".