2003223423400 has 24 divisors (see below), whose sum is σ = 4657494459870. Its totient is φ = 801289369280.

The previous prime is 2003223423353. The next prime is 2003223423413. The reversal of 2003223423400 is 43243223002.

It can be written as a sum of positive squares in 3 ways, for example, as 1377792354436 + 625431068964 = 1173794^2 + 790842^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5008058359 + ... + 5008058758.

Almost surely, 2^{2003223423400} is an apocalyptic number.

2003223423400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003223423400 is an abundant number, since it is smaller than the sum of its proper divisors (2654271036470).

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

2003223423400 is a wasteful number, since it uses less digits than its factorization.

2003223423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016117133 (or 10016117124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 2003223423400 its reverse (43243223002), we get a palindrome (2046466646402).

The spelling of 2003223423400 in words is "two trillion, three billion, two hundred twenty-three million, four hundred twenty-three thousand, four hundred".