123010545 has 16 divisors (see below), whose sum is σ = 224933760. Its totient is φ = 56233344.

The previous prime is 123010513. The next prime is 123010577. The reversal of 123010545 is 545010321.

It is an interprime number because it is at equal distance from previous prime (123010513) and next prime (123010577).

It is not a de Polignac number, because 123010545 - 2⁵ = 123010513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585660 + ... + 585869.

It is an arithmetic number, because the mean of its divisors is an integer number (14058360).

Almost surely, 2^123010545 is an apocalyptic number.

123010545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123010545 is a deficient number, since it is larger than the sum of its proper divisors (101923215).

123010545 is a wasteful number, since it uses less digits than its factorization.

123010545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171544.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 123010545 is about 11091.0119015354. The cubic root of 123010545 is about 497.3331949226. Note that the first 3 decimals are identical.

Adding to 123010545 its reverse (545010321), we get a palindrome (668020866).

The spelling of 123010545 in words is "one hundred twenty-three million, ten thousand, five hundred forty-five".