23143563000 has 448 divisors, whose sum is σ = 82866888000. Its totient is φ = 6045062400.

The previous prime is 23143562993. The next prime is 23143563049. The reversal of 23143563000 is 36534132.

It is a happy number.

23143563000 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 356 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 38636701 + ... + 38637299.

Almost surely, 2^23143563000 is an apocalyptic number.

23143563000 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 23143563000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41433444000).

23143563000 is an abundant number, since it is smaller than the sum of its proper divisors (59723325000).

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

23143563000 is an equidigital number, since it uses as much as digits as its factorization.

23143563000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 23143563000 in words is "twenty-three billion, one hundred forty-three million, five hundred sixty-three thousand".