23142733 has 2 divisors, whose sum is σ = 23142734. Its totient is φ = 23142732.

The previous prime is 23142719. The next prime is 23142751. The reversal of 23142733 is 33724132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13520329 + 9622404 = 3677^2 + 3102^2 .

It is a cyclic number.

It is not a de Polignac number, because 23142733 - 2⁵ = 23142701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23142698 and 23142707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23142773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571366 + 11571367.

It is an arithmetic number, because the mean of its divisors is an integer number (11571367).

Almost surely, 2^23142733 is an apocalyptic number.

It is an amenable number.

23142733 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142733 is an equidigital number, since it uses as much as digits as its factorization.

23142733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 25.

The square root of 23142733 is about 4810.6894516275. The cubic root of 23142733 is about 284.9737659242.

Adding to 23142733 its reverse (33724132), we get a palindrome (56866865).

The spelling of 23142733 in words is "twenty-three million, one hundred forty-two thousand, seven hundred thirty-three".