102040244423 has 16 divisors (see below), whose sum is σ = 116861734080. Its totient is φ = 88263184896.

The previous prime is 102040244419. The next prime is 102040244431. The reversal of 102040244423 is 324442040201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102040244423 - 2² = 102040244419 is a prime.

It is a super-2 number, since 2×102040244423² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102040244392 and 102040244401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040244483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957515 + ... + 1058732.

It is an arithmetic number, because the mean of its divisors is an integer number (7303858380).

Almost surely, 2^102040244423 is an apocalyptic number.

102040244423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102040244423 is a deficient number, since it is larger than the sum of its proper divisors (14821489657).

102040244423 is a wasteful number, since it uses less digits than its factorization.

102040244423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016506.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102040244423 its reverse (324442040201), we get a palindrome (426482284624).

The spelling of 102040244423 in words is "one hundred two billion, forty million, two hundred forty-four thousand, four hundred twenty-three".