23003815380 has 288 divisors, whose sum is σ = 82876219776. Its totient is φ = 4722084864.

The previous prime is 23003815349. The next prime is 23003815381. The reversal of 23003815380 is 8351830032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003815381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1406007 + ... + 1422273.

It is an arithmetic number, because the mean of its divisors is an integer number (287764652).

Almost surely, 2^23003815380 is an apocalyptic number.

23003815380 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 23003815380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41438109888).

23003815380 is an abundant number, since it is smaller than the sum of its proper divisors (59872404396).

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

23003815380 is a wasteful number, since it uses less digits than its factorization.

23003815380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343 (or 16334 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 23003815380 in words is "twenty-three billion, three million, eight hundred fifteen thousand, three hundred eighty".