2368123978 has 16 divisors (see below), whose sum is σ = 3932951904. Its totient is φ = 1060353360.

The previous prime is 2368123973. The next prime is 2368123991. The reversal of 2368123978 is 8793218632.

It is a super-2 number, since 2×2368123978² = 11216022350357088968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2368123973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801825 + ... + 804772.

It is an arithmetic number, because the mean of its divisors is an integer number (245809494).

Almost surely, 2^2368123978 is an apocalyptic number.

2368123978 is a deficient number, since it is larger than the sum of its proper divisors (1564827926).

2368123978 is a wasteful number, since it uses less digits than its factorization.

2368123978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606677.

The product of its digits is 870912, while the sum is 49.

The square root of 2368123978 is about 48663.3740918157. The cubic root of 2368123978 is about 1332.9120016376.

The spelling of 2368123978 in words is "two billion, three hundred sixty-eight million, one hundred twenty-three thousand, nine hundred seventy-eight".