67513023 has 12 divisors (see below), whose sum is σ = 102651640. Its totient is φ = 42639696.

The previous prime is 67513021. The next prime is 67513057. The reversal of 67513023 is 32031576.

It is a happy number.

It is not a de Polignac number, because 67513023 - 2¹ = 67513021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67513021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197236 + ... + 197577.

Almost surely, 2^67513023 is an apocalyptic number.

67513023 is a deficient number, since it is larger than the sum of its proper divisors (35138617).

67513023 is a wasteful number, since it uses less digits than its factorization.

67513023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394838 (or 394835 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 67513023 is about 8216.6308788943. The cubic root of 67513023 is about 407.1888258874.

Adding to 67513023 its reverse (32031576), we get a palindrome (99544599).

The spelling of 67513023 in words is "sixty-seven million, five hundred thirteen thousand, twenty-three".