23457912357780 has 36 divisors (see below), whose sum is σ = 71155667485812. Its totient is φ = 6255443295360.

The previous prime is 23457912357779. The next prime is 23457912357787. The reversal of 23457912357780 is 8775321975432.

23457912357780 is a `hidden beast` number, since 2 + 3 + 4 + 57 + 9 + 1 + 2 + 3 + 577 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9564013945476 + 13893898412304 = 3092574^2 + 3727452^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23457912357787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65160867481 + ... + 65160867840.

Almost surely, 2^{23457912357780} is an apocalyptic number.

23457912357780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23457912357780 is an abundant number, since it is smaller than the sum of its proper divisors (47697755128032).

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

23457912357780 is a wasteful number, since it uses less digits than its factorization.

23457912357780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130321735336 (or 130321735331 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 63.

The spelling of 23457912357780 in words is "twenty-three trillion, four hundred fifty-seven billion, nine hundred twelve million, three hundred fifty-seven thousand, seven hundred eighty".