180023957469 has 48 divisors (see below), whose sum is σ = 279017548992. Its totient is φ = 111447304704.

The previous prime is 180023957383. The next prime is 180023957483. The reversal of 180023957469 is 964759320081.

180023957469 is a `hidden beast` number, since 1 + 8 + 0 + 0 + 2 + 3 + 9 + 574 + 69 = 666.

It is not a de Polignac number, because 180023957469 - 2¹³ = 180023949277 is a prime.

It is a super-2 number, since 2×180023957469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180023957369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9985107 + ... + 10003119.

It is an arithmetic number, because the mean of its divisors is an integer number (5812865604).

It is a 1-persistent number, because it is pandigital, but 2⋅180023957469 = 360047914938 is not.

Almost surely, 2^180023957469 is an apocalyptic number.

It is an amenable number.

180023957469 is a deficient number, since it is larger than the sum of its proper divisors (98993591523).

180023957469 is a wasteful number, since it uses less digits than its factorization.

180023957469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18906 (or 18903 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 180023957469 in words is "one hundred eighty billion, twenty-three million, nine hundred fifty-seven thousand, four hundred sixty-nine".