23321040340240 has 40 divisors (see below), whose sum is σ = 54222736219200. Its totient is φ = 9328189481856.

The previous prime is 23321040340211. The next prime is 23321040340259. The reversal of 23321040340240 is 4204304012332.

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

It is a super-2 number, since 2×23321040340240² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23321040340199 and 23321040340208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208854 + ... + 6832693.

It is an arithmetic number, because the mean of its divisors is an integer number (1355568405480).

Almost surely, 2^{23321040340240} is an apocalyptic number.

23321040340240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321040340240 is an abundant number, since it is smaller than the sum of its proper divisors (30901695878960).

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

23321040340240 is a wasteful number, since it uses less digits than its factorization.

23321040340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082959 (or 7082953 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23321040340240 its reverse (4204304012332), we get a palindrome (27525344352572).

The spelling of 23321040340240 in words is "twenty-three trillion, three hundred twenty-one billion, forty million, three hundred forty thousand, two hundred forty".