23897941650642 has 32 divisors (see below), whose sum is σ = 47853011312640. Its totient is φ = 7956464756240.

The previous prime is 23897941650581. The next prime is 23897941650679. The reversal of 23897941650642 is 24605614979832.

It is a super-2 number, since 2×23897941650642² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16602967 + ... + 17984837.

It is an arithmetic number, because the mean of its divisors is an integer number (1495406603520).

It is a 1-persistent number, because it is pandigital, but 2⋅23897941650642 = 47795883301284 is not.

Almost surely, 2^{23897941650642} is an apocalyptic number.

23897941650642 is an abundant number, since it is smaller than the sum of its proper divisors (23955069661998).

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

23897941650642 is a wasteful number, since it uses less digits than its factorization.

23897941650642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385318.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 23897941650642 in words is "twenty-three trillion, eight hundred ninety-seven billion, nine hundred forty-one million, six hundred fifty thousand, six hundred forty-two".