23886156409 has 2 divisors, whose sum is σ = 23886156410. Its totient is φ = 23886156408.

The previous prime is 23886156383. The next prime is 23886156457. The reversal of 23886156409 is 90465168832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23366179600 + 519976809 = 152860^2 + 22803^2 .

It is a cyclic number.

It is not a de Polignac number, because 23886156409 - 2¹⁷ = 23886025337 is a prime.

It is not a weakly prime, because it can be changed into another prime (23886156809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943078204 + 11943078205.

It is an arithmetic number, because the mean of its divisors is an integer number (11943078205).

Almost surely, 2^23886156409 is an apocalyptic number.

It is an amenable number.

23886156409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23886156409 is an equidigital number, since it uses as much as digits as its factorization.

23886156409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 23886156409 in words is "twenty-three billion, eight hundred eighty-six million, one hundred fifty-six thousand, four hundred nine".