253023219783 has 24 divisors (see below), whose sum is σ = 366837559088. Its totient is φ = 168055160832.

The previous prime is 253023219703. The next prime is 253023219809. The reversal of 253023219783 is 387912320352.

253023219783 is a `hidden beast` number, since 2 + 530 + 2 + 3 + 21 + 97 + 8 + 3 = 666.

It is not a de Polignac number, because 253023219783 - 2²¹ = 253021122631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253023219703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6315591 + ... + 6355527.

Almost surely, 2^253023219783 is an apocalyptic number.

253023219783 is a deficient number, since it is larger than the sum of its proper divisors (113814339305).

253023219783 is a wasteful number, since it uses less digits than its factorization.

253023219783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42543 (or 42540 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 253023219783 in words is "two hundred fifty-three billion, twenty-three million, two hundred nineteen thousand, seven hundred eighty-three".