123001412520253 has 8 divisors (see below), whose sum is σ = 123073987712760. Its totient is φ = 122928838613760.

The previous prime is 123001412520221. The next prime is 123001412520257. The reversal of 123001412520253 is 352025214100321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76583920644 + 122924828599609 = 276738^2 + 11087147^2 .

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 123001412520253 - 2⁵ = 123001412520221 is a prime.

It is a super-3 number, since 3×123001412520253³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001412520257) 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, 246902251 + ... + 247399927.

It is an arithmetic number, because the mean of its divisors is an integer number (15384248464095).

Almost surely, 2^{123001412520253} is an apocalyptic number.

It is an amenable number.

123001412520253 is a deficient number, since it is larger than the sum of its proper divisors (72575192507).

123001412520253 is a wasteful number, since it uses less digits than its factorization.

123001412520253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643007.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 123001412520253 its reverse (352025214100321), we get a palindrome (475026626620574).

The spelling of 123001412520253 in words is "one hundred twenty-three trillion, one billion, four hundred twelve million, five hundred twenty thousand, two hundred fifty-three".