1000023123203 has 12 divisors (see below), whose sum is σ = 1109276631288. Its totient is φ = 900583669440.

The previous prime is 1000023123193. The next prime is 1000023123233. The reversal of 1000023123203 is 3023213200001.

It is not a de Polignac number, because 1000023123203 - 2⁸ = 1000023122947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000023123233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72155225 + ... + 72169082.

It is an arithmetic number, because the mean of its divisors is an integer number (92439719274).

Almost surely, 2^{1000023123203} is an apocalyptic number.

1000023123203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000023123203 is a deficient number, since it is larger than the sum of its proper divisors (109253508085).

1000023123203 is a wasteful number, since it uses less digits than its factorization.

1000023123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144324374 (or 144324361 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1000023123203 its reverse (3023213200001), we get a palindrome (4023236323204).

The spelling of 1000023123203 in words is "one trillion, twenty-three million, one hundred twenty-three thousand, two hundred three".