23303400040 has 32 divisors (see below), whose sum is σ = 52809876000. Its totient is φ = 9254297664.

The previous prime is 23303400031. The next prime is 23303400119. The reversal of 23303400040 is 4000430332.

It is a junction number, because it is equal to n+sod(n) for n = 23303399990 and 23303400017.

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, 2090070 + ... + 2101189.

It is an arithmetic number, because the mean of its divisors is an integer number (1650308625).

Almost surely, 2^23303400040 is an apocalyptic number.

23303400040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23303400040 is an abundant number, since it is smaller than the sum of its proper divisors (29506475960).

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

23303400040 is a wasteful number, since it uses less digits than its factorization.

23303400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191409 (or 4191405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 23303400040 its reverse (4000430332), we get a palindrome (27303830372).

The spelling of 23303400040 in words is "twenty-three billion, three hundred three million, four hundred thousand, forty".