423260664387 has 16 divisors (see below), whose sum is σ = 648054606720. Its totient is φ = 243020476800.

The previous prime is 423260664361. The next prime is 423260664413. The reversal of 423260664387 is 783466062324.

It is an interprime number because it is at equal distance from previous prime (423260664361) and next prime (423260664413).

It is not a de Polignac number, because 423260664387 - 2¹⁶ = 423260598851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423260664487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337527814 + ... + 337529067.

It is an arithmetic number, because the mean of its divisors is an integer number (40503412920).

Almost surely, 2^423260664387 is an apocalyptic number.

423260664387 is a deficient number, since it is larger than the sum of its proper divisors (224793942333).

423260664387 is a wasteful number, since it uses less digits than its factorization.

423260664387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675056914.

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 423260664387 in words is "four hundred twenty-three billion, two hundred sixty million, six hundred sixty-four thousand, three hundred eighty-seven".