15128233 has 2 divisors, whose sum is σ = 15128234. Its totient is φ = 15128232.

The previous prime is 15128203. The next prime is 15128251. The reversal of 15128233 is 33282151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 4804864 = 3213^2 + 2192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15128233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15128198 and 15128207.

It is not a weakly prime, because it can be changed into another prime (15128203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7564116 + 7564117.

It is an arithmetic number, because the mean of its divisors is an integer number (7564117).

Almost surely, 2^15128233 is an apocalyptic number.

It is an amenable number.

15128233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15128233 is an equidigital number, since it uses as much as digits as its factorization.

15128233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 15128233 is about 3889.5029245393. The cubic root of 15128233 is about 247.3219915139.

The spelling of 15128233 in words is "fifteen million, one hundred twenty-eight thousand, two hundred thirty-three".