23045352240 has 80 divisors (see below), whose sum is σ = 71462613600. Its totient is φ = 6143533056.

The previous prime is 23045352217. The next prime is 23045352287. The reversal of 23045352240 is 4225354032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23045352198 and 23045352207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877216 + ... + 903104.

It is an arithmetic number, because the mean of its divisors is an integer number (893282670).

Almost surely, 2^23045352240 is an apocalyptic number.

23045352240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23045352240 is an abundant number, since it is smaller than the sum of its proper divisors (48417261360).

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

23045352240 is a wasteful number, since it uses less digits than its factorization.

23045352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29614 (or 29608 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 23045352240 in words is "twenty-three billion, forty-five million, three hundred fifty-two thousand, two hundred forty".