23217382781046 has 24 divisors (see below), whose sum is σ = 51531264222984. Its totient is φ = 7550368383840.

The previous prime is 23217382781039. The next prime is 23217382781053. The reversal of 23217382781046 is 64018728371232.

It is a happy number.

23217382781046 is a `hidden beast` number, since 2 + 3 + 217 + 382 + 7 + 8 + 1 + 0 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (23217382781039) and next prime (23217382781053).

It is a super-2 number, since 2×23217382781046² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23217382780983 and 23217382781001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15729933396 + ... + 15729934871.

It is an arithmetic number, because the mean of its divisors is an integer number (2147136009291).

Almost surely, 2^{23217382781046} is an apocalyptic number.

23217382781046 is an abundant number, since it is smaller than the sum of its proper divisors (28313881441938).

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

23217382781046 is a wasteful number, since it uses less digits than its factorization.

23217382781046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31459868316 (or 31459868313 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 23217382781046 in words is "twenty-three trillion, two hundred seventeen billion, three hundred eighty-two million, seven hundred eighty-one thousand, forty-six".