22351423 has 8 divisors (see below), whose sum is σ = 23446368. Its totient is φ = 21266784.

The previous prime is 22351411. The next prime is 22351453. The reversal of 22351423 is 32415322.

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 22351423 - 2¹³ = 22343231 is a prime.

It is a super-2 number, since 2×22351423² = 999172220249858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22351394 and 22351403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351453) 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, 2065 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (2930796).

Almost surely, 2^22351423 is an apocalyptic number.

22351423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22351423 is a deficient number, since it is larger than the sum of its proper divisors (1094945).

22351423 is a wasteful number, since it uses less digits than its factorization.

22351423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153.

The product of its digits is 1440, while the sum is 22.

The square root of 22351423 is about 4727.7291589092. The cubic root of 22351423 is about 281.6880300001.

Adding to 22351423 its reverse (32415322), we get a palindrome (54766745).

The spelling of 22351423 in words is "twenty-two million, three hundred fifty-one thousand, four hundred twenty-three".