123252520130111 has 4 divisors (see below), whose sum is σ = 123252544078224. Its totient is φ = 123252496182000.

The previous prime is 123252520130101. The next prime is 123252520130119. The reversal of 123252520130111 is 111031025252321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123252520130111 - 2¹⁴ = 123252520113727 is a prime.

It is a super-3 number, since 3×123252520130111³ (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 (123252520130119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742190 + ... + 15718011.

It is an arithmetic number, because the mean of its divisors is an integer number (30813136019556).

Almost surely, 2^{123252520130111} is an apocalyptic number.

123252520130111 is a deficient number, since it is larger than the sum of its proper divisors (23948113).

123252520130111 is an equidigital number, since it uses as much as digits as its factorization.

123252520130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23948112.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 123252520130111 its reverse (111031025252321), we get a palindrome (234283545382432).

The spelling of 123252520130111 in words is "one hundred twenty-three trillion, two hundred fifty-two billion, five hundred twenty million, one hundred thirty thousand, one hundred eleven".