253123203522016 has 48 divisors (see below), whose sum is σ = 500486064624000. Its totient is φ = 126015655385088.

The previous prime is 253123203522011. The next prime is 253123203522023. The reversal of 253123203522016 is 610225302321352.

It is a super-2 number, since 2×253123203522016² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253123203522011) 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, 363497500 + ... + 364193188.

It is an arithmetic number, because the mean of its divisors is an integer number (10426793013000).

Almost surely, 2^{253123203522016} is an apocalyptic number.

It is an amenable number.

253123203522016 is a deficient number, since it is larger than the sum of its proper divisors (247362861101984).

253123203522016 is a wasteful number, since it uses less digits than its factorization.

253123203522016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744731 (or 744723 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 253123203522016 its reverse (610225302321352), we get a palindrome (863348505843368).

The spelling of 253123203522016 in words is "two hundred fifty-three trillion, one hundred twenty-three billion, two hundred three million, five hundred twenty-two thousand, sixteen".