123525000210401 has 4 divisors (see below), whose sum is σ = 123525025064112. Its totient is φ = 123524975356692.

The previous prime is 123525000210361. The next prime is 123525000210407. The reversal of 123525000210401 is 104012000525321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123525000210401 is a prime.

It is a super-3 number, since 3×123525000210401³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123525000210407) 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, 2124971 + ... + 15860816.

It is an arithmetic number, because the mean of its divisors is an integer number (30881256266028).

Almost surely, 2^{123525000210401} is an apocalyptic number.

It is an amenable number.

123525000210401 is a deficient number, since it is larger than the sum of its proper divisors (24853711).

123525000210401 is an equidigital number, since it uses as much as digits as its factorization.

123525000210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24853710.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 123525000210401 its reverse (104012000525321), we get a palindrome (227537000735722).

The spelling of 123525000210401 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, two hundred ten thousand, four hundred one".