23113040240 has 40 divisors (see below), whose sum is σ = 53748607488. Its totient is φ = 9243360000.

The previous prime is 23113040207. The next prime is 23113040263. The reversal of 23113040240 is 4204031132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413990 + ... + 466490.

Almost surely, 2^23113040240 is an apocalyptic number.

23113040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113040240 is an abundant number, since it is smaller than the sum of its proper divisors (30635567248).

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

23113040240 is a wasteful number, since it uses less digits than its factorization.

23113040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58017 (or 58011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23113040240 its reverse (4204031132), we get a palindrome (27317071372).

The spelling of 23113040240 in words is "twenty-three billion, one hundred thirteen million, forty thousand, two hundred forty".