123605053 has 16 divisors (see below), whose sum is σ = 145526976. Its totient is φ = 103501440.

The previous prime is 123605039. The next prime is 123605129. The reversal of 123605053 is 350506321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123605053 - 2⁹ = 123604541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123605023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129225 + ... + 130177.

It is an arithmetic number, because the mean of its divisors is an integer number (9095436).

Almost surely, 2^123605053 is an apocalyptic number.

123605053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123605053 is a deficient number, since it is larger than the sum of its proper divisors (21921923).

123605053 is a wasteful number, since it uses less digits than its factorization.

123605053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 123605053 is about 11117.7809386586. The cubic root of 123605053 is about 498.1331087765.

The spelling of 123605053 in words is "one hundred twenty-three million, six hundred five thousand, fifty-three".