102622423 has 4 divisors (see below), whose sum is σ = 105396040. Its totient is φ = 99848808.

The previous prime is 102622361. The next prime is 102622427. The reversal of 102622423 is 324226201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324226201 = 13 ⋅24940477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102622423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102622394 and 102622403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102622427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386753 + ... + 1386826.

It is an arithmetic number, because the mean of its divisors is an integer number (26349010).

Almost surely, 2^102622423 is an apocalyptic number.

102622423 is a deficient number, since it is larger than the sum of its proper divisors (2773617).

102622423 is an equidigital number, since it uses as much as digits as its factorization.

102622423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773616.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 102622423 is about 10130.2726024525. The cubic root of 102622423 is about 468.1813269037.

Adding to 102622423 its reverse (324226201), we get a palindrome (426848624).

The spelling of 102622423 in words is "one hundred two million, six hundred twenty-two thousand, four hundred twenty-three".