123311041 has 4 divisors (see below), whose sum is σ = 140926912. Its totient is φ = 105695172.

The previous prime is 123311011. The next prime is 123311051. The reversal of 123311041 is 140113321.

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 not a de Polignac number, because 123311041 - 2¹³ = 123302849 is a prime.

It is a super-2 number, since 2×123311041² = 30411225665007362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123311011) 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, 8807925 + ... + 8807938.

It is an arithmetic number, because the mean of its divisors is an integer number (35231728).

Almost surely, 2^123311041 is an apocalyptic number.

It is an amenable number.

123311041 is a deficient number, since it is larger than the sum of its proper divisors (17615871).

123311041 is an equidigital number, since it uses as much as digits as its factorization.

123311041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17615870.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 123311041 is about 11104.5504636613. The cubic root of 123311041 is about 497.7378353238.

Adding to 123311041 its reverse (140113321), we get a palindrome (263424362).

The spelling of 123311041 in words is "one hundred twenty-three million, three hundred eleven thousand, forty-one".