23434533240 has 64 divisors (see below), whose sum is σ = 70421184000. Its totient is φ = 6238756992.

The previous prime is 23434533233. The next prime is 23434533257. The reversal of 23434533240 is 4233543432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91132 + ... + 234891.

It is an arithmetic number, because the mean of its divisors is an integer number (1100331000).

Almost surely, 2^23434533240 is an apocalyptic number.

23434533240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23434533240 is an abundant number, since it is smaller than the sum of its proper divisors (46986650760).

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

23434533240 is a wasteful number, since it uses less digits than its factorization.

23434533240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326636 (or 326632 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 33.

The spelling of 23434533240 in words is "twenty-three billion, four hundred thirty-four million, five hundred thirty-three thousand, two hundred forty".