22953143 has 2 divisors, whose sum is σ = 22953144. Its totient is φ = 22953142.

The previous prime is 22953127. The next prime is 22953163. The reversal of 22953143 is 34135922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22953143 - 2⁴ = 22953127 is a prime.

It is equal to p_1445474 and since 22953143 and 1445474 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22953163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476571 + 11476572.

It is an arithmetic number, because the mean of its divisors is an integer number (11476572).

Almost surely, 2^22953143 is an apocalyptic number.

22953143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953143 is an equidigital number, since it uses as much as digits as its factorization.

22953143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 22953143 is about 4790.9438527288. The cubic root of 22953143 is about 284.1934433918.

The spelling of 22953143 in words is "twenty-two million, nine hundred fifty-three thousand, one hundred forty-three".