123863045 has 4 divisors (see below), whose sum is σ = 148635660. Its totient is φ = 99090432.

The previous prime is 123863041. The next prime is 123863053. The reversal of 123863045 is 540368321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27646564 + 96216481 = 5258^2 + 9809^2 .

It is a cyclic number.

It is not a de Polignac number, because 123863045 - 2² = 123863041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123863041) 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, 12386300 + ... + 12386309.

It is an arithmetic number, because the mean of its divisors is an integer number (37158915).

Almost surely, 2^123863045 is an apocalyptic number.

It is an amenable number.

123863045 is a deficient number, since it is larger than the sum of its proper divisors (24772615).

123863045 is an equidigital number, since it uses as much as digits as its factorization.

123863045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24772614.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 123863045 is about 11129.3775657042. The cubic root of 123863045 is about 498.4794404851.

The spelling of 123863045 in words is "one hundred twenty-three million, eight hundred sixty-three thousand, forty-five".