2023213400 has 144 divisors (see below), whose sum is σ = 5299244160. Its totient is φ = 714067200.

The previous prime is 2023213399. The next prime is 2023213417. The reversal of 2023213400 is 43123202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1374665 + ... + 1376135.

Almost surely, 2^2023213400 is an apocalyptic number.

2023213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649622080).

2023213400 is an abundant number, since it is smaller than the sum of its proper divisors (3276030760).

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

2023213400 is a wasteful number, since it uses less digits than its factorization.

2023213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2023213400 is about 44980.1445084384. The cubic root of 2023213400 is about 1264.7768201315.

Adding to 2023213400 its reverse (43123202), we get a palindrome (2066336602).

The spelling of 2023213400 in words is "two billion, twenty-three million, two hundred thirteen thousand, four hundred".