123534601 has 4 divisors (see below), whose sum is σ = 126873412. Its totient is φ = 120195792.

The previous prime is 123534553. The next prime is 123534611. The reversal of 123534601 is 106435321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106435321 = 19 ⋅5601859.

It can be written as a sum of positive squares in 2 ways, for example, as 88736400 + 34798201 = 9420^2 + 5899^2 .

It is a cyclic number.

It is not a de Polignac number, because 123534601 - 2¹³ = 123526409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123534611) 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, 1669350 + ... + 1669423.

It is an arithmetic number, because the mean of its divisors is an integer number (31718353).

Almost surely, 2^123534601 is an apocalyptic number.

It is an amenable number.

123534601 is a deficient number, since it is larger than the sum of its proper divisors (3338811).

123534601 is an equidigital number, since it uses as much as digits as its factorization.

123534601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338810.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 123534601 is about 11114.6120490101. The cubic root of 123534601 is about 498.0384493681.

Adding to 123534601 its reverse (106435321), we get a palindrome (229969922).

The spelling of 123534601 in words is "one hundred twenty-three million, five hundred thirty-four thousand, six hundred one".