42015000233 has 2 divisors, whose sum is σ = 42015000234. Its totient is φ = 42015000232.

The previous prime is 42015000221. The next prime is 42015000253. The reversal of 42015000233 is 33200051024.

It is a happy number.

It is an a-pointer prime, because the next prime (42015000253) can be obtained adding 42015000233 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30219302569 + 11795697664 = 173837^2 + 108608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42015000233 is a prime.

It is not a weakly prime, because it can be changed into another prime (42015000253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007500116 + 21007500117.

It is an arithmetic number, because the mean of its divisors is an integer number (21007500117).

Almost surely, 2^42015000233 is an apocalyptic number.

It is an amenable number.

42015000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42015000233 is an equidigital number, since it uses as much as digits as its factorization.

42015000233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 42015000233 its reverse (33200051024), we get a palindrome (75215051257).

The spelling of 42015000233 in words is "forty-two billion, fifteen million, two hundred thirty-three", and thus it is an aban number.