105202155423 has 8 divisors (see below), whose sum is σ = 140288380848. Its totient is φ = 70125350144.

The previous prime is 105202155397. The next prime is 105202155449. The reversal of 105202155423 is 324551202501.

It is an interprime number because it is at equal distance from previous prime (105202155397) and next prime (105202155449).

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

It is a cyclic number.

It is not a de Polignac number, because 105202155423 - 2¹³ = 105202147231 is a prime.

It is a super-2 number, since 2×105202155423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105202155493) 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, 2328936 + ... + 2373677.

It is an arithmetic number, because the mean of its divisors is an integer number (17536047606).

Almost surely, 2^105202155423 is an apocalyptic number.

105202155423 is a deficient number, since it is larger than the sum of its proper divisors (35086225425).

105202155423 is an equidigital number, since it uses as much as digits as its factorization.

105202155423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710073.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 105202155423 its reverse (324551202501), we get a palindrome (429753357924).

The spelling of 105202155423 in words is "one hundred five billion, two hundred two million, one hundred fifty-five thousand, four hundred twenty-three".