260198623 has 2 divisors, whose sum is σ = 260198624. Its totient is φ = 260198622.

The previous prime is 260198573. The next prime is 260198639. The reversal of 260198623 is 326891062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260198623 is a prime.

It is a super-2 number, since 2×260198623² = 135406646822192258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260198683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130099311 + 130099312.

It is an arithmetic number, because the mean of its divisors is an integer number (130099312).

Almost surely, 2^260198623 is an apocalyptic number.

260198623 is a deficient number, since it is larger than the sum of its proper divisors (1).

260198623 is an equidigital number, since it uses as much as digits as its factorization.

260198623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 260198623 is about 16130.6733585427. The cubic root of 260198623 is about 638.4129157157.

The spelling of 260198623 in words is "two hundred sixty million, one hundred ninety-eight thousand, six hundred twenty-three".