423025023555 has 40 divisors (see below), whose sum is σ = 802918096992. Its totient is φ = 212341969152.

The previous prime is 423025023523. The next prime is 423025023581. The reversal of 423025023555 is 555320520324.

423025023555 is a `hidden beast` number, since 4 + 2 + 30 + 2 + 50 + 23 + 555 = 666.

It is not a de Polignac number, because 423025023555 - 2⁵ = 423025023523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30713887 + ... + 30727656.

Almost surely, 2^423025023555 is an apocalyptic number.

423025023555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423025023555 is a deficient number, since it is larger than the sum of its proper divisors (379893073437).

423025023555 is a wasteful number, since it uses less digits than its factorization.

423025023555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441577 (or 61441568 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 423025023555 its reverse (555320520324), we get a palindrome (978345543879).

The spelling of 423025023555 in words is "four hundred twenty-three billion, twenty-five million, twenty-three thousand, five hundred fifty-five".