18823142735722 has 8 divisors (see below), whose sum is σ = 30406615188516. Its totient is φ = 8687604339552.

The previous prime is 18823142735713. The next prime is 18823142735833. The reversal of 18823142735722 is 22753724132881.

It can be written as a sum of positive squares in 2 ways, for example, as 18127251427321 + 695891308401 = 4257611^2 + 834201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18823142735722² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361983514123 + ... + 361983514174.

Almost surely, 2^{18823142735722} is an apocalyptic number.

18823142735722 is a deficient number, since it is larger than the sum of its proper divisors (11583472452794).

18823142735722 is a wasteful number, since it uses less digits than its factorization.

18823142735722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723967028312.

The product of its digits is 9031680, while the sum is 55.

The spelling of 18823142735722 in words is "eighteen trillion, eight hundred twenty-three billion, one hundred forty-two million, seven hundred thirty-five thousand, seven hundred twenty-two".