123534452011 has 8 divisors (see below), whose sum is σ = 125578792800. Its totient is φ = 121490730240.

The previous prime is 123534452009. The next prime is 123534452047. The reversal of 123534452011 is 110254435321.

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 123534452011 - 2¹ = 123534452009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123534452051) 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, 256650 + ... + 559408.

It is an arithmetic number, because the mean of its divisors is an integer number (15697349100).

Almost surely, 2^123534452011 is an apocalyptic number.

123534452011 is a deficient number, since it is larger than the sum of its proper divisors (2044340789).

123534452011 is an equidigital number, since it uses as much as digits as its factorization.

123534452011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309509.

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

Adding to 123534452011 its reverse (110254435321), we get a palindrome (233788887332).

The spelling of 123534452011 in words is "one hundred twenty-three billion, five hundred thirty-four million, four hundred fifty-two thousand, eleven".