22053423 has 16 divisors (see below), whose sum is σ = 33873920. Its totient is φ = 12501216.

The previous prime is 22053407. The next prime is 22053439. The reversal of 22053423 is 32435022.

It is an interprime number because it is at equal distance from previous prime (22053407) and next prime (22053439).

It is not a de Polignac number, because 22053423 - 2⁴ = 22053407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22053423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053463) 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, 1468 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (2117120).

Almost surely, 2^22053423 is an apocalyptic number.

22053423 is a deficient number, since it is larger than the sum of its proper divisors (11820497).

22053423 is a wasteful number, since it uses less digits than its factorization.

22053423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22053423 is about 4696.1072176857. The cubic root of 22053423 is about 280.4305578272.

Adding to 22053423 its reverse (32435022), we get a palindrome (54488445).

The spelling of 22053423 in words is "twenty-two million, fifty-three thousand, four hundred twenty-three".