260390723 has 2 divisors, whose sum is σ = 260390724. Its totient is φ = 260390722.

The previous prime is 260390701. The next prime is 260390729. The reversal of 260390723 is 327093062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260390723 - 2¹⁴ = 260374339 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260390723.

It is not a weakly prime, because it can be changed into another prime (260390729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130195361 + 130195362.

It is an arithmetic number, because the mean of its divisors is an integer number (130195362).

Almost surely, 2^260390723 is an apocalyptic number.

260390723 is a deficient number, since it is larger than the sum of its proper divisors (1).

260390723 is an equidigital number, since it uses as much as digits as its factorization.

260390723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 260390723 is about 16136.6267540648. The cubic root of 260390723 is about 638.5699866888.

The spelling of 260390723 in words is "two hundred sixty million, three hundred ninety thousand, seven hundred twenty-three".