233020157 has 2 divisors, whose sum is σ = 233020158. Its totient is φ = 233020156.

The previous prime is 233020129. The next prime is 233020169. The reversal of 233020157 is 751020332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168844036 + 64176121 = 12994^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 233020157 - 2¹⁰ = 233019133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116510078 + 116510079.

It is an arithmetic number, because the mean of its divisors is an integer number (116510079).

Almost surely, 2^233020157 is an apocalyptic number.

It is an amenable number.

233020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

233020157 is an equidigital number, since it uses as much as digits as its factorization.

233020157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 233020157 is about 15264.9977726824. The cubic root of 233020157 is about 615.3626935015.

Adding to 233020157 its reverse (751020332), we get a palindrome (984040489).

The spelling of 233020157 in words is "two hundred thirty-three million, twenty thousand, one hundred fifty-seven".