23442164402045 has 4 divisors (see below), whose sum is σ = 28130597282460. Its totient is φ = 18753731521632.

The previous prime is 23442164401973. The next prime is 23442164402051. The reversal of 23442164402045 is 54020446124432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11695073077636 + 11747091324409 = 3419806^2 + 3427403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23442164402045 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23442164401993 and 23442164402011.

It is a congruent number.

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, 2344216440200 + ... + 2344216440209.

It is an arithmetic number, because the mean of its divisors is an integer number (7032649320615).

Almost surely, 2^{23442164402045} is an apocalyptic number.

It is an amenable number.

23442164402045 is a deficient number, since it is larger than the sum of its proper divisors (4688432880415).

23442164402045 is an equidigital number, since it uses as much as digits as its factorization.

23442164402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688432880414.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 23442164402045 in words is "twenty-three trillion, four hundred forty-two billion, one hundred sixty-four million, four hundred two thousand, forty-five".