67401023 has 2 divisors, whose sum is σ = 67401024. Its totient is φ = 67401022.

The previous prime is 67400953. The next prime is 67401031. The reversal of 67401023 is 32010476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67401023 - 2¹⁰ = 67399999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67401023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67401083) 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 as a sum of consecutive naturals, namely, 33700511 + 33700512.

It is an arithmetic number, because the mean of its divisors is an integer number (33700512).

Almost surely, 2^67401023 is an apocalyptic number.

67401023 is a deficient number, since it is larger than the sum of its proper divisors (1).

67401023 is an equidigital number, since it uses as much as digits as its factorization.

67401023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 67401023 is about 8209.8126044387. The cubic root of 67401023 is about 406.9635340920.

Adding to 67401023 its reverse (32010476), we get a palindrome (99411499).

The spelling of 67401023 in words is "sixty-seven million, four hundred one thousand, twenty-three".