33531350023 has 2 divisors, whose sum is σ = 33531350024. Its totient is φ = 33531350022.

The previous prime is 33531349987. The next prime is 33531350063. The reversal of 33531350023 is 32005313533.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33531350023 is a prime.

It is a super-2 number, since 2×33531350023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33531349973 and 33531350000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33531350063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765675011 + 16765675012.

It is an arithmetic number, because the mean of its divisors is an integer number (16765675012).

Almost surely, 2^33531350023 is an apocalyptic number.

33531350023 is a deficient number, since it is larger than the sum of its proper divisors (1).

33531350023 is an equidigital number, since it uses as much as digits as its factorization.

33531350023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 28.

Adding to 33531350023 its reverse (32005313533), we get a palindrome (65536663556).

The spelling of 33531350023 in words is "thirty-three billion, five hundred thirty-one million, three hundred fifty thousand, twenty-three".