23356690040 has 32 divisors (see below), whose sum is σ = 53034696000. Its totient is φ = 9256961664.

The previous prime is 23356690039. The next prime is 23356690073. The reversal of 23356690040 is 4009665332.

It is a junction number, because it is equal to n+sod(n) for n = 23356689976 and 23356690003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674160 + ... + 2682879.

It is an arithmetic number, because the mean of its divisors is an integer number (1657334250).

Almost surely, 2^23356690040 is an apocalyptic number.

23356690040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23356690040 is an abundant number, since it is smaller than the sum of its proper divisors (29678005960).

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

23356690040 is a wasteful number, since it uses less digits than its factorization.

23356690040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357159 (or 5357155 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 23356690040 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, forty".