123939053 has 4 divisors (see below), whose sum is σ = 141644640. Its totient is φ = 106233468.

The previous prime is 123939041. The next prime is 123939059. The reversal of 123939053 is 350939321.

It is a happy number.

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 123939053 - 2⁶ = 123938989 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 (123939059) 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, 8852783 + ... + 8852796.

It is an arithmetic number, because the mean of its divisors is an integer number (35411160).

Almost surely, 2^123939053 is an apocalyptic number.

It is an amenable number.

123939053 is a deficient number, since it is larger than the sum of its proper divisors (17705587).

123939053 is an equidigital number, since it uses as much as digits as its factorization.

123939053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705586.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 123939053 is about 11132.7917882263. The cubic root of 123939053 is about 498.5813828574.

The spelling of 123939053 in words is "one hundred twenty-three million, nine hundred thirty-nine thousand, fifty-three".