23434120240 has 40 divisors (see below), whose sum is σ = 54521197920. Its totient is φ = 9367305216.

The previous prime is 23434120223. The next prime is 23434120247. The reversal of 23434120240 is 4202143432.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (23434120247) 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, 20757 + ... + 217483.

It is an arithmetic number, because the mean of its divisors is an integer number (1363029948).

Almost surely, 2^23434120240 is an apocalyptic number.

23434120240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23434120240 is an abundant number, since it is smaller than the sum of its proper divisors (31087077680).

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

23434120240 is a wasteful number, since it uses less digits than its factorization.

23434120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198229 (or 198223 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23434120240 its reverse (4202143432), we get a palindrome (27636263672).

The spelling of 23434120240 in words is "twenty-three billion, four hundred thirty-four million, one hundred twenty thousand, two hundred forty".