203123342213400 has 192 divisors, whose sum is σ = 720323021376000. Its totient is φ = 46383932021760.

The previous prime is 203123342213293. The next prime is 203123342213413. The reversal of 203123342213400 is 4312243321302.

It is a happy number.

It is a super-2 number, since 2×203123342213400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18646012 + ... + 27457611.

It is an arithmetic number, because the mean of its divisors is an integer number (3751682403000).

Almost surely, 2^{203123342213400} is an apocalyptic number.

203123342213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203123342213400 is an abundant number, since it is smaller than the sum of its proper divisors (517199679162600).

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

203123342213400 is a wasteful number, since it uses less digits than its factorization.

203123342213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46104698 (or 46104689 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 203123342213400 its reverse (4312243321302), we get a palindrome (207435585534702).

The spelling of 203123342213400 in words is "two hundred three trillion, one hundred twenty-three billion, three hundred forty-two million, two hundred thirteen thousand, four hundred".