23870115787870 has 64 divisors (see below), whose sum is σ = 49630884553152. Its totient is φ = 8169209856000.

The previous prime is 23870115787813. The next prime is 23870115787877. The reversal of 23870115787870 is 7878751107832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23870115787877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70069150 + ... + 70408990.

It is an arithmetic number, because the mean of its divisors is an integer number (775482571143).

Almost surely, 2^{23870115787870} is an apocalyptic number.

23870115787870 is an abundant number, since it is smaller than the sum of its proper divisors (25760768765282).

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

23870115787870 is a wasteful number, since it uses less digits than its factorization.

23870115787870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377437.

The product of its (nonzero) digits is 36879360, while the sum is 64.

The spelling of 23870115787870 in words is "twenty-three trillion, eight hundred seventy billion, one hundred fifteen million, seven hundred eighty-seven thousand, eight hundred seventy".