23000043000 has 192 divisors, whose sum is σ = 78878086560. Its totient is φ = 5575680000.

The previous prime is 23000042993. The next prime is 23000043013. The reversal of 23000043000 is 34000032.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 331320 + ... + 394680.

Almost surely, 2^23000043000 is an apocalyptic number.

23000043000 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 23000043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39439043280).

23000043000 is an abundant number, since it is smaller than the sum of its proper divisors (55878043560).

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

23000043000 is a wasteful number, since it uses less digits than its factorization.

23000043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63407 (or 63382 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 23000043000 its reverse (34000032), we get a palindrome (23034043032).

The spelling of 23000043000 in words is "twenty-three billion, forty-three thousand".