23198029 has 2 divisors, whose sum is σ = 23198030. Its totient is φ = 23198028.

The previous prime is 23198023. The next prime is 23198039. The reversal of 23198029 is 92089132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 492804 = 4765^2 + 702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23198029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23197985 and 23198003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23198023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599014 + 11599015.

It is an arithmetic number, because the mean of its divisors is an integer number (11599015).

Almost surely, 2^23198029 is an apocalyptic number.

It is an amenable number.

23198029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23198029 is an equidigital number, since it uses as much as digits as its factorization.

23198029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 23198029 is about 4816.4332238701. The cubic root of 23198029 is about 285.2005523864.

The spelling of 23198029 in words is "twenty-three million, one hundred ninety-eight thousand, twenty-nine".