253919623 has 8 divisors (see below), whose sum is σ = 258141600. Its totient is φ = 249717888.

The previous prime is 253919597. The next prime is 253919639. The reversal of 253919623 is 326919352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253919623 - 2⁹ = 253919111 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 (253919663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21363 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (32267700).

Almost surely, 2^253919623 is an apocalyptic number.

253919623 is a deficient number, since it is larger than the sum of its proper divisors (4221977).

253919623 is an equidigital number, since it uses as much as digits as its factorization.

253919623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121.

The product of its digits is 87480, while the sum is 40.

The square root of 253919623 is about 15934.8556002243. The cubic root of 253919623 is about 633.2357443048.

The spelling of 253919623 in words is "two hundred fifty-three million, nine hundred nineteen thousand, six hundred twenty-three".