23403520155469 has 2 divisors, whose sum is σ = 23403520155470. Its totient is φ = 23403520155468.

The previous prime is 23403520155377. The next prime is 23403520155487. The reversal of 23403520155469 is 96455102530432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23303308022500 + 100212132969 = 4827350^2 + 316563^2 .

It is a cyclic number.

It is not a de Polignac number, because 23403520155469 - 2³¹ = 23401372671821 is a prime.

It is a super-2 number, since 2×23403520155469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403520155569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701760077734 + 11701760077735.

It is an arithmetic number, because the mean of its divisors is an integer number (11701760077735).

Almost surely, 2^{23403520155469} is an apocalyptic number.

It is an amenable number.

23403520155469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403520155469 is an equidigital number, since it uses as much as digits as its factorization.

23403520155469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 23403520155469 in words is "twenty-three trillion, four hundred three billion, five hundred twenty million, one hundred fifty-five thousand, four hundred sixty-nine".