23150190240 has 72 divisors (see below), whose sum is σ = 79000029108. Its totient is φ = 6173383680.

The previous prime is 23150190221. The next prime is 23150190247. The reversal of 23150190240 is 4209105132.

23150190240 is a `hidden beast` number, since 2 + 31 + 501 + 90 + 2 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23046883344 + 103306896 = 151812^2 + 10164^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (23150190247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8036821 + ... + 8039700.

Almost surely, 2^23150190240 is an apocalyptic number.

23150190240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23150190240 is an abundant number, since it is smaller than the sum of its proper divisors (55849838868).

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

23150190240 is a wasteful number, since it uses less digits than its factorization.

23150190240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076542 (or 16076531 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 23150190240 its reverse (4209105132), we get a palindrome (27359295372).

The spelling of 23150190240 in words is "twenty-three billion, one hundred fifty million, one hundred ninety thousand, two hundred forty".