23217226040 has 16 divisors (see below), whose sum is σ = 52238758680. Its totient is φ = 9286890400.

The previous prime is 23217226013. The next prime is 23217226061. The reversal of 23217226040 is 4062271232.

It is a junction number, because it is equal to n+sod(n) for n = 23217225994 and 23217226012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290215286 + ... + 290215365.

Almost surely, 2^23217226040 is an apocalyptic number.

23217226040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23217226040 is an abundant number, since it is smaller than the sum of its proper divisors (29021532640).

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

23217226040 is a wasteful number, since it uses less digits than its factorization.

23217226040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580430662 (or 580430658 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 23217226040 its reverse (4062271232), we get a palindrome (27279497272).

The spelling of 23217226040 in words is "twenty-three billion, two hundred seventeen million, two hundred twenty-six thousand, forty".