23330400406540 has 24 divisors (see below), whose sum is σ = 49498932000672. Its totient is φ = 9235952325120.

The previous prime is 23330400406529. The next prime is 23330400406553. The reversal of 23330400406540 is 4560400403332.

It is a junction number, because it is equal to n+sod(n) for n = 23330400406496 and 23330400406505.

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, 6012987856 + ... + 6012991735.

It is an arithmetic number, because the mean of its divisors is an integer number (2062455500028).

Almost surely, 2^{23330400406540} is an apocalyptic number.

23330400406540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23330400406540 is an abundant number, since it is smaller than the sum of its proper divisors (26168531594132).

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

23330400406540 is a wasteful number, since it uses less digits than its factorization.

23330400406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025979697 (or 12025979695 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 23330400406540 its reverse (4560400403332), we get a palindrome (27890800809872).

The spelling of 23330400406540 in words is "twenty-three trillion, three hundred thirty billion, four hundred million, four hundred six thousand, five hundred forty".