2423347661378 has 48 divisors (see below), whose sum is σ = 4493393491320. Its totient is φ = 973955759616.

The previous prime is 2423347661299. The next prime is 2423347661389. The reversal of 2423347661378 is 8731667433242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1784743699249 + 638603962129 = 1335943^2 + 799127^2 .

It is a super-2 number, since 2×2423347661378² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2164133 + ... + 3087096.

Almost surely, 2^{2423347661378} is an apocalyptic number.

2423347661378 is a deficient number, since it is larger than the sum of its proper divisors (2070045829942).

2423347661378 is a wasteful number, since it uses less digits than its factorization.

2423347661378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251539 (or 5251532 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 56.

The spelling of 2423347661378 in words is "two trillion, four hundred twenty-three billion, three hundred forty-seven million, six hundred sixty-one thousand, three hundred seventy-eight".