253404700623 has 24 divisors (see below), whose sum is σ = 366539153760. Its totient is φ = 168701158080.

The previous prime is 253404700621. The next prime is 253404700649. The reversal of 253404700623 is 326007404352.

253404700623 is a `hidden beast` number, since 25 + 3 + 4 + 0 + 4 + 7 + 0 + 0 + 623 = 666.

It is not a de Polignac number, because 253404700623 - 2¹ = 253404700621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253404700621) 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, 42365293 + ... + 42371273.

It is an arithmetic number, because the mean of its divisors is an integer number (15272464740).

Almost surely, 2^253404700623 is an apocalyptic number.

253404700623 is a deficient number, since it is larger than the sum of its proper divisors (113134453137).

253404700623 is a wasteful number, since it uses less digits than its factorization.

253404700623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759 (or 11756 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 253404700623 in words is "two hundred fifty-three billion, four hundred four million, seven hundred thousand, six hundred twenty-three".