23380388890 has 16 divisors (see below), whose sum is σ = 42217465032. Its totient is φ = 9322652224.

The previous prime is 23380388861. The next prime is 23380388893. The reversal of 23380388890 is 9888308332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6008885289 + 17371503601 = 77517^2 + 131801^2 .

It is not an unprimeable number, because it can be changed into a prime (23380388893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684589 + ... + 3690928.

Almost surely, 2^23380388890 is an apocalyptic number.

23380388890 is a deficient number, since it is larger than the sum of its proper divisors (18837076142).

23380388890 is a wasteful number, since it uses less digits than its factorization.

23380388890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375841.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 23380388890 in words is "twenty-three billion, three hundred eighty million, three hundred eighty-eight thousand, eight hundred ninety".