123525152422421 has 8 divisors (see below), whose sum is σ = 130791481826904. Its totient is φ = 116258839014400.

The previous prime is 123525152422403. The next prime is 123525152422447. The reversal of 123525152422421 is 124224251525321.

It can be written as a sum of positive squares in 4 ways, for example, as 31163346067396 + 92361806355025 = 5582414^2 + 9610505^2 .

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 123525152422421 - 2¹⁴ = 123525152406037 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 (123525152422481) 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, 14288621 + ... + 21241821.

It is an arithmetic number, because the mean of its divisors is an integer number (16348935228363).

Almost surely, 2^{123525152422421} is an apocalyptic number.

It is an amenable number.

123525152422421 is a deficient number, since it is larger than the sum of its proper divisors (7266329404483).

123525152422421 is a wasteful number, since it uses less digits than its factorization.

123525152422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998231.

The product of its digits is 384000, while the sum is 41.

The spelling of 123525152422421 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, one hundred fifty-two million, four hundred twenty-two thousand, four hundred twenty-one".